On the heels of her impressive performance at the Billboard Music Awards [1], Britney Spears [2] hit the stage for her Piece of Me show in Las Vegas on Wednesday night, the last before taking the Summer off. During a performance of "Freakshow," Britney was joined on stage by none other than Tyson Beckford, who happened to star alongside Britney in her 2003 video [3] for "Toxic." During his appearance, Tyson was fastened to a leash and crawled across the stage as Britney and her dancers walked behind him, then stood up and did a sexy striptease for the crowd. Britney normally pulls members of her audience up to participate in the kinky moment, but as Tyson is headlining his own Vegas production — he's the newest star of the Chippendales' male dance troupe [4] — at the Rio, it made perfect sense to have him jump in. She later shared a photo of the two backstage on Instagram, writing, "Thanks for jumping on stage with me last night @TysonCBeckford!!" Watch the video above now, then check out the hottest photos of Tyson over the years [5].