90 It's all over and Celtic have comfortably brushed aside Rangers 3-0 at Parkhead in the final Old Firm derby of the season thanks to goals from Charlie Mulgrew, Kris Commons and Gary Hooper.
Wallace's weak shot from distance is blocked on the edge of the box.
There will be just two minutes of stoppage time to play.
90 Brown receives a yellow card after a crunching tackle on Kerkar. He can have no complaints about that.
89 Hooper is replaced by youngster Tony Watt, who gets his first taste of Old Firm action.
Stokes attacks on the right but is unable to pick out the lurking Hooper with his cross.
The initial cross comes to nothing but Celtic continue to press forward, with Izaguirre seeing his curling effort from the edge of the box drift over the bar.
Izaguirre breaks down the left wing before a sliding tackle from Bartley put the ball out of play for a corner.
85 Commons is replaced by Paddy McCourt as Celtic make their second substitution of the match.
The resulting corner is well defended by Celtic as they quell the Rangers pressure.
Aluko's fantastic curling effort looks destined for the top corner before Forster gets across to push the ball over the bar.
The visitors have a free kick 25 yards out after McCulloch is fouled by Loovens.
Rangers are on the attack with Edu on the right wing but nothing comes of it.
80 Celtic make a change with Anthony Stokes coming on to replace Samaras, who receives a standing ovation.
The defender's nose is bleeding after the accidental collision and he now has plenty of cotton wool sticking out of both nostrils.
Loovens is down hurt and may need some brief treatment before play can continue.
Bartley reacts well to clear the danger after a long throw is hurled into the box.
Rangers are trying hard to keep the score down as Celtic apply more pressure down both wings.
75 Bartley is deservedly shown the yellow card after a crunching challenge on Izaguirre in midfield.
Commons' shot from outside the box is blocked by the Rangers defence.
Kerkar chips a delicate shot over Forster from a tight angle on the left side of the box but the ball doesn't come down in time and goes over.
The flag stays down as Commons attempts to latch onto a long ball but he's unable to control it and McGregor gathers.
71 Salim Kerkar is introduced into the action by Rangers to replace Little.
Celtic my contrast are playing with a swagger and are much more likely to score the next goal.
Rangers look well beaten and just don't seem capable of stringing more than a few passes together, let alone mounting a notable attack.
Bartley is lucky to escape a yellow card after a late lunge on Samaras in midfield.
Play continues with Aluko now back on his feet.
Aluko goes down hurt, giving both sets of players an opportunity to have a breather and even grab a drink.
Celtic have seemingly taken their foot off the gas but the damage has well and truly been done already.
Rangers' body language is understandably rather defeatist right now but they're still going in search of a consolation.
Celtic fans now singing "Always look on the bright side of life" at Rangers, but that must be very difficult indeed at the moment.
Rangers have given their fans little to shout about this afternoon and once again another attacking move breaks down.
Poor defending on the left allows Izaguirre to sneak into the box but his shot from a tight angle is saved at the near post by McGregor.
Celtic's execution of the corner isn't the best and they make it easy for Rangers to clear.
The Hoops press down the left wing and win a corner after Izaguirre's cross is blocked behind by Kyle Bartley.
Celtic are showing no sign of easing up as they pass the ball around quickly with an air of supreme confidence.
57 Rangers make a change with Jamie Ness coming on to replace McCabe.
This is turning into a day to forget for Rangers fans and you have to wonder if McCoist is now thinking about damage limitation.
Samaras goes for goal himself with a curling effort from the edge of the box but it's one for the crowd to catch.
54 GOAL HOOPER - Samaras pounces on a loose ball in midfield to pick out Hooper, who makes his way into the box before lashing an emphatic finish high into the net.
From the resulting corner, McGregor gets down well to prevent Wanyama's header from finding the net.
Ledley shows superb technique as he volleys at goal from the edge of the box but his dipping effort is tipped over by McGregor.
A devilish cross from Izaguirre on the left flashes past the face of goal but no Celtic team-mate can get on the end of it.
Little tries to get the better of Wanyama on the left wing but it's the Celtic man who ends up on top.
Izaguirre has been a constant threat down the left wing this afternoon and once again the Rangers defence have to be alert to one of his crosses.
Combative play from Scott Brown in midfield prevents Rangers getting forward and the home fans show their appreciation.
Edu does brilliantly to get a cross into the box from the right wing which Forster drops under pressure from Little before Glenn Loovens boots clear.
Rangers get the second half under way looking to find a way back into this clash having fallen 2-0 behind.
Celtic are now 1/33 with Sky Bet to collect all three points while Rangers are 50/1, with the draw priced at 12/1. Head now to www.skybet.com to place your in-running bets.
45 The half-time whistle sounds and Celtic go into the break leading Rangers 2-0 in the final Old Firm derby of the season.
There will be just one minute of stoppage time to be played.
Little's failure to control a cross-field pass from Aluko on the left wing is roundly cheered by the home fans.
McCulloch comes forward down the left but his cross towards Little is blocked by Mulgrew inside the box.
Celtic look content to casually knock the ball around in midfield as the clock ticks down towards the interval.
Rangers really need a goal before the break but at the moment their brief attacks are coming to nothing.
McGregor gets down low to his left to save a fierce shot from Wanyama on the edge of the box.
Neil Lennon, who is once again watching from the stands, will be delighted with Celtic's performance so far but Ally McCoist is probably wondering how his side will get back into this game.
Commons whips the corner into the box but Ledley heads wide of the mark.
Izaguirre continues to cause problems down the left and another dangerous cross into the area is headed behind by Bocanegra.
The visitors clear their lines for the time being but still Celtic press forward.
The Hoops win a corner on the left after more desperate Rangers defending.
It's all Celtic at the moment as they pour forward in search of more goals and Rangers really need to regain some composure quickly.
While the home fans erupt with joy, Rangers look visibly rattled - it's certainly going to be a mountain to climb from here.
31 GOAL COMMONS - Commons races into the box after latching onto Hooper's lovely square pass from the right wing before dinking a classy finish over McGregor and into the net.
Although the initial delivery is partially cleared, Celtic get another chance to get the ball into the box with Izaguirre on the left - but Ledley heads over the bar.
Moments after defending a Rangers corner, Celtic quickly go up the other end to win one of their own after Carlos Bocanegra is forced to put the ball behind.
Commons' low delivery once again finds Mulgrew but he's in an awkward position with his back to goal so it's little surprise to see his a tame shot drift wide.
Joe Ledley shows strength down the left wing to earn his side a corner.
Whittaker dipping volley from the edge of the box doesn't come down in time to trouble Forster in the Celtic goal.
Samaras blasts a rather pointless effort from distance which goes straight into the arms of McGregor.
Apart from the goal, both sides have been pretty evenly matched this afternoon so Rangers fans should still be hopeful their team can get back on level terms.
Rangers are far from fazed by the party atmosphere and give Celtic something to worry about when McCulloch's header from an Aluko cross on the right flashes wide.
The Celtic fans are doing 'the Huddle' in the stands as they continue to celebrate the opening goal of this contest.
McCabe drills his feeble attempt against the Celtic wall and the hosts can clear.
Wanyama trips Edu around 20 yards from goal and Rangers have a free kick in a promising position.
19 Wallace is booked after a late tackle on Commons in midfield.
Here come Rangers down the left looking to make an immediate response but Forster is alert to claim the cross.
17 GOAL MULGREW - Kris Commons' corner picks out Charlie Mulgrew and the defender's diving downward header bounces beyond Allan McGregor's reach and into the roof of the net.
Celtic quickly come forward on the counter and win a corner thanks to good work from Hooper.
This is a good spell for Rangers and the visitors come close again when Andrew Little's shot from the right side of the area is well saved by Fraser Forster.
A second corner is delivered deep towards the back post but this time Celtic manage to clear much more effectively.
The cross is headed clear but only as far as Rhys McCabe, who sees his shot deflected wide of the post.
Wallace delivers a dangerous cross from the left wing which arrows in towards Steven Whittaker, but it comes off a Celtic defender on its way behind for a corner.
As Rangers come forward on the counter attack, Wanyama stays down. Eventually the ball goes out of play and the Celtic player can receive attention.
Victor Wanyama tries to break clear down the right wing before being challenged by Lee Wallace. The hosts expect a free kick to be given but the referee waves play on.
Although Celtic have just about had the better of the early exchanges, Rangers look full of confidence having won their last four games.
It's certainly been a bright opening to this encounter, with both sides showing intent to get forward.
Gary Hooper outmuscles Dorin Goian as the pair chase a long ball over the top and the Celtic striker finds himself clean through on goal. However the referee blows for a foul, much to the home crowd's annoyance.
Georgios Samaras plays the ball out wide on the left for the overlapping Emilio Izaguirre, who whips in a dangerous cross only for Adam Matthews to put his shot wide.
Lee McCulloch tries his luck from distance but his volley flies high over the bar.
The previous Old Firm derby at Parkhead in December was won by Celtic 1-0 but Rangers collected six points from the two games at Ibrox.
The Celtic supporters are continually reminding their Rangers counterparts which team are the champions this season, but the visitors will no doubt be out to prove a point.
Sone Aluko curls a free kick from distance into the area but none of his Rangers team-mates can get on the end of it.
The home fans have just finished a stirring rendition of You'll Never Walk Alone and now they focus their attention on matters on the pitch.
SPL champions Celtic get this final Old Firm derby of the season under way at Parkhead.
The players are now out on the pitch at Parkhead and kick-off is just moments away.
Cian Hughes says: "Today will be an exiting day and can't wait to see what happends. I am a Celtic fan and I think Celtic will win today 2-1 with goals from Ledley and Hooper."
As you can see from the team sheets below, Celtic have brought back five of their stars for this Old Firm derby. Goalkeeper Fraser Forster, right-back Adam Matthews, stopper Glenn Loovens, skipper Scott Brown and striker Georgios Samaras all return to the line up. Out goes Thomas Rogne, Ki Sung-yueng, Pawel Brozek, Lukasz Zaluska and Cha Du-ri, the latter two starting on the bench along with 18-year-old striker Tony Watt, who scored two goals on his debut at Motherwell last week. Gers boss Ally McCoist names the same side which beat Hearts last week, with Lee McCulloch leading the line. Today's referee is Calum Murray.
Ian Riddell in China writes: "Looking forward to this game today. Two of our easiest games this season have been against Celtic, and, despite everything that's been happening off the field, I expect another comfortable win today. 3-1 to the Rangers!"
Orlando-based Bobby writes: "For the fans, there's no such thing as a meaningless Old Firm game...so hopefully the players feel the same way! Think it will be a quiet game though, with only five sending offs, one streaker on the pitch and a final score of 5-5 . It's early morning here in Orlando, Florida, and that first coffee was a zoomer! I think Rangers will win 1-0!"
The Celtic teams is: Forster, Matthews, Loovens, Mulgrew, Izaguirre, Commons, Brown, Wanyama, Ledley, Samaras, Hooper. Subs: Zaluska, Kelvin Wilson, Stokes, Cha, McCourt, Watt, McGeouch.
The Rangers team is: McGregor, Bartley, Goian, Bocanegra, Whittaker, McCabe, Edu, Wallace, Aluko, Little, McCulloch. Subs: Alexander, Broadfoot, Healy, Bedoya, Ness, Kerkar, Perry.
Although Celtic have of course already wrapped up the SPL title, there's no such thing as a meaningless Old Firm game is there? Either side will, as ever, hate to lose against their fierce rivals and we can expect both sets of supporters to contribute to a cracking atmosphere this afternoon. Administration-hit Rangers' top priority at the moment is survival rather than points but a victory for them today will give them three Old Firm triumphs for the season.
Good afternoon and welcome to our live text commentary of the final Old Firm derby of the season between Celtic and Rangers at Parkhead. Share your pre-match thoughts by contacting me at firstname.lastname@example.org. Kick-off is at 1245 BST.