Christina Milian and Mark Ballas
Christina Milian is already looking like a frontrunner on the new season
of Dancing with the Stars
– in an Instagram video
she posted on Friday, the singer showed off some killer moves.
The clip, which also features her dance partner Mark Ballas
, shows the mom of one
displaying some major hip action during rehearsals.
The newly engaged
star also does the DWTS
version of a Twerk, leading Ballas to comment, "If in doubt shake it out."
Milian joins celebs including Valerie Harper
, Snooki, Jack Osbourne, Glee
star Amber Riley and Elizabeth Berkley in the 17th season of the dancing competition, which begins Sept. 16.