Celtic's Carl Starfelt put through his own net deep into extra-time as Rangers came from behind to beat their Old Firm rivals 2-1 in a frantic Scottish Cup semi-final.
Greg Taylor fired a low finish beyond Jon McLaughlin shortly after the hour to hand Celtic the lead, before substitute Scott Arfield bent home a brilliant leveller to force additional time.
With a penalty shoot-out on the horizon, Starfelt deflected Calvin Bassey's left-wing cross past Joe Hart to send Rangers to their 53rd Scottish Cup final, where Hearts lie in wait after overcoming Hibernian on Saturday.
A boisterous atmosphere gave way to a frantic opening at Hampden Park, with Ryan Kent firing over under pressure and Jota heading onto the roof of the net at the other end.
John Lundstram curled against the post as Rangers enjoyed the better of the first half, but their threat faded somewhat after Aaron Ramsey was injured shortly before the break.
Ange Postecoglou's side improved after half time and took the lead after 63 minutes, Taylor spinning on Callum McGregor's inventive shot free-kick before firing into the bottom-right corner.
The Hoops went close to a quickfire second five minutes later when Cameron Carter-Vickers crashed a left-footed shot against the crossbar from a corner.
They were made to pay for that missed opportunity after 78 minutes with Arfield latching onto Kemar Roofe's heavy touch to curl home just four minutes after coming on.
Celtic somehow survived Rangers twice hitting the woodwork in the 110th minute, James Tavernier smashing off the near post and Fashion Sakala diverting the rebound onto the top of the bar.
But Rangers found time for a winner as Bassey's left-wing cutback was diverted into his own net by Starfelt under pressure from Sakala, ending Celtic's treble hopes and booking Rangers' cup final spot.
What does it mean? Rangers continue bid to end cup draught
Rangers have not lifted either of Scotland's two domestic cups since winning the Scottish League Cup in 2011, and Celtic have won the Scottish Cup on six occasions since the Ibrox outfit last did so in 2009.
Their extra-time win means they will appear in May's showpiece event for the 53rd time, where they will look to lift their first domestic cup in over a decade.
Celtic's treble hopes in tatters
Meanwhile, Celtic went into this game looking to keep their hopes of a fifth domestic treble in six seasons alive, after winning the Scottish League Cup in December and establishing a six-point lead at the top of the Scottish Premiership.
Giovanni van Bronckhorst's men will be delighted with ending the Hoops' dreams of another domestic clean sweep, and could yet win two trophies themselves as they remain in the hunt for the Europa League.
Gers end Postecoglou's derby run
Postecoglou's team looked set for a third successive Old Firm derby win when Taylor fired home the opener, but a stunning Rangers turnaround denied Celtic that feat, and means the Glasgow giants have won two derbies apiece in all competitions this season.
What's next?
Celtic continue their bid to regain the Scottish title at Ross County next Sunday, with Rangers travelling to Motherwell on the same day, looking to capitalise on any slip-up from the leaders.
Monza 1-1 Inter: Dumfries spares Nerazzurri's blushes
Champions Inter were knocked off the Serie A summit on Sunday as they were forced to come from behind to play out a 1-1 draw with Monza.
Hosts Monza took the lead in the 81st minute through substitute forward Dany Mota, but the Nerazzurri would avoid a surprise defeat to their neighbours as Denzel Dumfries levelled seven minutes later.
Lautaro Martinez should have put the Scudetto holders in front inside the opening 10 minutes, when he received a perfect cross from Federico Dimarco.
His header from the centre of the box, however, sailed slightly over the crossbar before Dimarco and Davide Frattesi spurned chances of their own.
But Monza defended resolutely and they went on to take a shock lead nine minutes from time, Mota nodding home a neat lofted cross from Armando Izzo.
Inter stepped up their efforts after falling behind and defender Dumfries tapped in a low cross from Carlos Augusto with two minutes of the 90 remaining, but the Nerazzurri could not find a winner.
While Inter are still unbeaten, their second draw of the campaign means they sit one point adrift of Napoli at the summit, while Monza stay 15th with three points from four games.
Data Debrief: Stuttering start for Nerazzurri
Inter's start has not exactly been dismal, Simone Inzaghi's men staying unbeaten and only slipping one point behind the pace at the top of Serie A.
However, it is in stark contrast to the starts they have made to recent campaigns.
In fact, this is the first time Inter have failed to win two of their first four matches of a Serie A season since 2020-21, when they drew one and lost one under Antonio Conte.
The silver lining? They went on to capture the title that season.
Atletico Madrid 3-0 Valencia: Gallagher and Alvarez off the mark in win
Atletico Madrid cruised to a convincing 3-0 home win over LaLiga's bottom side Valencia on Sunday, with Conor Gallagher and Julian Alvarez scoring their first goals for the club.
Marcos Llorente and Samuel Lino went close in the first half before Atletico took the lead in the 39th minute, new signing Gallagher finishing into the bottom corner after latching onto a delightful pass from Rodrigo De Paul.
Valencia fought hard for an equaliser, with Javi Guerra's long-range effort going wide, but they were unable to prevent Antoine Griezmann from making it 2-0 after Lino's header fell into his path nine minutes after the break.
Another new recruit, Alvarez, put the icing on the cake with his first goal in the Spanish top flight since arriving from Manchester City, when he slotted home Rodrigo Riquelme's cross in the 93rd minute.
Atletico, who are still unbeaten this season, moved into second place, level on 11 points with Real Madrid and four behind leaders Barcelona.
Data Debrief: New boys off the mark
Gallagher's opener made him the third-youngest Englishman to net in LaLiga this century, at the age of 24 years and 222 days.
Only Jude Bellingham (20 years and 44 days) and Mason Greenwood (22 years, seven days), both in 2023, have done so at a younger age.
He wasn't the only new recruit to impress on Sunday, though.
Alvarez's goal made him the 14th Argentinian player to score for Atleti since the turn of the century, with no other foreign nation supplying as many unique goalscorers for Los Colchoneros in that time.
O'Neil confident Wolves will overachieve this season despite Newcastle setback
Gary O'Neil is confident Wolves will overachieve again in the Premier League this season despite falling to a 2-1 defeat to Newcastle on Sunday.
Mario Lemina had given the hosts a half-time lead, only for Fabian Schar and Harvey Barnes' long-range efforts completing the turnaround for the Magpies.
Wolves have now failed to win any of their opening four league games this term and occupy the final place in the bottom three.
Their single point against Nottingham Forest makes this their joint-worst start to a Premier League campaign, along with 2003-04, when they were relegated in last place.
O'Neil's side have now also lost six of their last seven league games at Molineux, losing more games on home turf in 2024 than any other team in the top-flight (eight).
But the Wolves head coach, who oversaw a 14th-place finish in his debut campaign at the helm last year, is confident his players will find their groove.
"We have better depth, of course. The run is the run. The team should be judged on what they did for the whole of last season.
"I am sure we will overachieve what many people will expect of us this season.
"Everyone is desperate for our first win. That was close to being our best today.
"We have gone up against a side that have spent an awful lot of money and were in the Champions League.
"There are not a lot of teams that can go against Newcastle and look the most likely to win."
There were positives for O'Neil to take from the defeat, however, most notably the performance of new addition Andre in central midfield.
The Brazilian completed all 40 of his passes against Newcastle, the most on record by a player on their first ever Premier League start without misplacing one (since 2003-04).
"Very good, he's a good player obviously. New system today with the three midfielders in. An awful lot of positives," O'Neil said.
"Of course the only positives that people are interested in is points.
"From my point of view, to have come up with a new structure for the team and for it to look how it did against Newcastle was a big plus for us."
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