Katie Holmes to Show Her Dance Moves on TV!

Katie Holmes will be showing off her dance moves on an upcoming episode of "So you Think You Can Dance."

ET has confirmed that Holmes will appear on the 100th episode of the Fox reality competition show. The actress' performance will be an homage to Judy Garland, and she will dance and sing to Garland's classic song "Get Happy."

Holmes has teamed up with "So You Think You Can Dance" co-creator Nigel Lythgoe, "Dancing with the Stars" judge Carrie Ann Inaba and director and choreographer Adam Shankman to create the Dizzy Feet Foundation.