Inside Man City's FA Cup Dressing Room Party: Erling Haaland Celebrating In His Underwear | Soccer/Soccer

Manchester City are no strangers to dressing room celebrations at this stage and they proved that by performing some more wild antics after their FA Cup triumph.

Pep Guardiola's side secured a domestic double on Saturday afternoon after Ilkay's Gundogan's brace ensured a 2-1 win over rivals Manchester United at Wembley.

And despite the fact City still have the Champions League final to play in one week, they wasted no time in letting their hair down and enjoying the win.

Plenty of City's stars took to social media in the minutes after the match to share the celebrations with supporters and fans online - and it didn't disappoint.

England star Jack Grealish showcased a video of club kitman Brandon Ashton stripping down to his boxers and sliding across the changing room - which has become a tradition among the side.

In Grealish's video, Ashton slides all the way across the room - while being cheered on by City's celebrating stars - before crashing into Grealish's seat.

The former Aston Villa winger quickly looks down and yelps: 'Oi, watch my Gucci bag! F****** hell' before picking up his backpack and continuing to celebrate.

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