Eminem isn’t exactly known for busting out dance moves on stage — but one rare performance has fans absolutely losing it. In a throwback collaboration with German entertainer Stefan Raab, the rapper took part in the hilarious and unforgettable “Cha-Cha-Cha-Rap” routine, and it might just be the happiest moment we’ve ever seen from Slim Shady himself.

Normally reserved and razor-focused behind the mic, Eminem let loose in this performance — laughing, smiling, and even dancing along to Raab’s playful choreography. For fans used to his intense, no-nonsense stage presence, watching him sway and groove was nothing short of surreal.

“This is the first time I’ve ever seen him actually enjoying himself enough to dance,” one fan wrote. Another called it “the best thing I’ve ever seen from Em — pure joy.”

The unlikely duet, blending rap with Raab’s comedic spin on the cha-cha-cha, quickly turned into a viral gem. While it may not be the most polished performance of Eminem’s career, it’s one of the few that shows him completely unguarded, laughing with the crowd and clearly having fun.

For die-hard stans, it’s proof that even the most serious lyricist in hip-hop can’t resist a good beat — or a little cha-cha-cha.