Rae Sremmurd White Beatle's Mannequin Is The Biggest Crowd-Pleaser

11/15/2016 6:50 AM PST

Rae Sremmurd Fave Mannequin Challenge Is the White Beatle's

EXCLUSIVE

Rae Sremmurd's making big moves as everyone else stands still to their #1 hit ... and they're calling out other celebs to take their famous challenge. 

We got the Black Beatles -- Swae Lee and Slim Jxmmi -- dishing on their favorite Mannequin Challenge takes so far. Sounds like OG Beatle, Paul McCartney, takes the cake -- but they also named some great runners-up ... shout-out to FLOTUS!

They also have a message for the Biebs.