She's a chart-topping pop-star who's showed off her booty-poppin' moves in music videos like "Goodies" and starred alongside Justin Timberalke.
So if anyone knows how to twerk—Miley, take note!—it's Ciara.
The trick? Isolating your booty, Ciara says. "Don't thrust," she adds, before Andy busts his best moves.
"Ow, it hurts!" he says. But we gotta hand it to him: A for effort, Andy!