Lupita Nyong'o Makes Exercise-Ball Ab Challenges Look Easy — and Fun!

In this challenge posted on Dec. 7, Nyong'o balances on top of her exercise ball and dances to Lil Mama's "Lip Gloss" — a grade-A throwback. She proves here that she is gaining strength simply because she's able to get back onto the ball and regain stability when she loses balance. "If at first you don't succeed... get back on that ball and meet me on #AbsAdvancementAvenue!" she writes in her Instagram caption. This is all the motivation we need to give this a go, and we can't wait to see what songs she tries next!