The 'Want U Back' star will appear on Make Your Mark: Shake It Up Dance Off later this month, BBC News reports.
Dancing with the Stars professional Derek Hough will also join the panel alongside choreographer Rosero McCoy.
Hough is friends with Cheryl Cole, who worked with Lloyd when she appeared on the British X Factor in 2010.
Lloyd recently tweeted a photograph of herself wearing Mickey Mouse ears, adding the caption: "Disney!!!xxx(:"
The judging role is the latest US breakthrough for Lloyd, who recently reached number eight in the Billboard 200 chart with her album Sticks + Stones.
Make Your Mark will begin on October 19 at 8/7c on the Disney Channel.