Christina Milian bounces back after breakup with twerk-out!

Looks like someone's vying for Miley Cyrus' twerking crown in the shape of Christina Milian!

READ: Is Miley Going To Be A Mum?

READ: Is This Miley's New Aussie Boyfriend?

The singer's personal trainer Lexy Panterra shared this video on her Instagram of her with the 33-year-old working their glutes!

"What we do behind closed doors," she captioned on the clip of them touching each their butts. Damn!

Christina has just split with Lil Wayne - so we wonder whether this sultry gym session was an attempt to show the rapper what he's missing?

Twerk it, girls!

GALLERY: Miley's Wildest Twerking Outfits!

Miley's stage outfits
Miley's stage outfits

Miley Cyrus. Photo: Getty