14 December 2015, 12:22
The MC warmed up the crowd during Joshua's ring-walk.
Stormzy performed his Grime single ‘Shut Up’ during the ring-walk to Anthony Joshua’s British Heavyweight boxing match with Dillian Whyte.
The Grime MC changed some of his lyrics to match the setting.
“Man try say that he’s better than [Anthony Joshua], tell my man shut up,” he rapped.
Watch his amazing performance below:
Speaking to Joshua after his title-winning match, Stormzy explained that he freestyled some of his verse after changing the lyrics at the last moment.
Joshua also revealed that legendary boxing announcer Michael Buffer said that Stormzy’s performance was “unbelievable”.
See behind-the-scenes footage:
Stormzy’s performance also caught the attention of Twitter, who responded with a range of hilarious reactions.
Stormzy stopppppppp getting me gassed!!!!!! Joshua is taking jaws offfffff— Hogan Ephraim (@HoganEphraim) December 12, 2015
If Joshua loses, stormzy and Joshua are taking a joint L for those opening bars looooool— Aaron (@GymKardashian) December 12, 2015
If Anthony Joshua comes out playing stormzy I'm gonna drop kick my little brother out of excitement— R.M. Moses (@RMMosesUK) December 12, 2015
Stormzy and Anthony Joshua would be a mad WWE tag team— shak (@Shak_Hall) December 12, 2015
Meanwhile, Stormzy’s single ‘Shut Up’ has seen a rise in the charts since the performance.
The MC is currently encouraging his fans to make the song a Christmas number one using the hashtag #ShutUpForXmasNo1.