Cher Lloyd makes debut as talent show judge for Disney - video
The 'Want U Back' singer, who rose to fame after appearing on The X Factor in 2010, sits on the panel of the dance contest alongside Derek Hough.
In the clip, Lloyd tells the acts that she is "looking mostly for confidence" and "being able to hold your own on the stage".
The two-part Make Your Mark: Shake It Up Dance Off also features appearances from Justin Bieber, Carly Rae Jepsen, Selena Gomez and will.i.am.
The winners of the show will have a dance performance role in an upcoming episode of Disney Channel's Shake It Up.
Season three of Shake It Up premieres on November 23 on Disney Channel UK.