Popular YouTuber IShowSpeed felt the fury of Manchester United supporters inside Wembley, despite claiming to be a fan of the club himself, during the club's FA Cup title triumph over rivals Man City.
United saved their best performance of the season until the final day as they produced a stunning 2-1 victory over favourites City courtesy of goals from academy graduate stars Alejandro Garnacho and Kobbie Mainoo.
IShowSpeed - real name Darren Jason Watkins Jr. - had travelled over from America to attend the cup final and was sat amongst United fans as he adorned the club's most recent home strip.
The viral sensation is best-known for his bizarre reactions and love for Cristiano Ronaldo, but angered supporters trying to enjoy the game when he began shouting at fans nearby.
With United leading in the game, the 19-year-old stood up and waved his arms while shouting at others to match his enthusiasm in an exchange that was of course filmed by the YouTuber.
Popular YouTuber IShowSpeed (pictured) felt the fury of Manchester United supporters inside Wembley at Sunday's FA Cup final
The American is a Man United fan and watched Erik ten Hag's side win the FA Cup at Wembley
United's youngsters Kobbie Mainoo (left) and Alejandro Garnacho (right) scored the goals to secure a 2-1 win over Man City
Getting up from his seat in one of Wembley's upper stands, he turns around and shouts: 'Come on yall, be wild, we're winning. What are you all doing?'.
Despite one fan who stood up to high-five him, IShowSpeed was quickly told to 'shut up' by another individual off camera who was clearly annoyed at being told what to do.
He retorts: 'Shut up? We're winning 2-0. It's 2-0, we're winning', with others continuing to hit back at his comments and an argument then ensuing as the action continued to unfold on the pitch.
A fan then stands up and animatedly tells him to 'sit down' with the American confused as he states 'we support the same club' and repeating his comments as he sits back down.
He then continues to fume and swears in response, stating 'what the hell is he mad for. What the f***. Sit down. What's wrong with you bro. I should've watched the game on my own.'
Some sat in the immediate vicinity attempt to calm him down, while other United fans returned to enjoying the match before celebrating emphatically at full-time as their victory over City was completed.
IShowSpeed was later involved in an x-rated confrontation with Man City fans that had mobbed his vehicle
Another bizarre interaction, this time with Man City fans, followed after the game when the online star was being driven out of Wembley as rivals supporters poured onto the streets.
City fans begin banging on his vehicle, shouting insults with one individual heard tragedy chanting the words 'Munich' in relation to United's Munich Air Disaster.
Speed retaliated in a heated manner, swearing at those outside the van, shouting 'f***ing City fans, they just piss me off bro.
'I couldn't even leave the f***ing thing. Why they getting so mad? What the f*** is their problem. They just want to start things for no reason.'