Katie Holmes tribute to Judy Garland dance video

Katie Holmes performed a tribute to Judy Garland on the 100th episode of So You Think You Can Dance Thursday night.

Holmes, 30, danced to and sang Garland's classic "Get Happy" in a tux jacket and tights to promote her Dizzy Feet Foundation, which provide scholarships and assistance to kids who want to become professional dancers and will also help dance instruction nationwide.