Simone Biles & Aly Raisman Perform on 'Lip Sync Battle All Stars' - Watch Now!

Aly Raisman and Simone Biles join Olivia Munn on stage to perform at Spike TV’s Lip Sync Battle: All Stars Live on Sunday (September 11) in Studio City, Calif.

Also performing was fellow Olympian Michael Phelps!

Terry Crews, Olivia Munn, Stevie Wonder, Chrissy Teigen, LL Cool J, John Legend and Stephen Merchant.

Michael performed Eminem‘s hit “Lose Yourself,” while Olivia invited Aly and Simone on stage to help her perform Sia‘s “Cheap Thrills.”

Watch below!

Click inside to watch more from the All Stars…