9 Former Nickelodeon Stars Have Competed On 'Dancing With the Stars' & 1 Joins Upcoming Season

Melissa Joan Hart – Season 9

Melissa came in ninth place, out of 16, on season nine, competing with her pro dance partner Mark Ballas.

She starred on Nickelodeon in the series Clarissa Explains It All. She also has appeared in The Casagrandes, The Loud House, and the original Are You Afraid of the Dark?