Dancing with the Stars's All-Star SupportersFrom Ashley and Naomi Judd to Zac Efron and Courteney Cox, the show's contenders can count on their A-List friends to sit front-row

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COURTENEY COX

Rooting for: David Arquette
The Cougar Town actress kept it all in the family to cheer on her ex in 2011, holding tight to both daughter Coco, then 7, and Arquette's brother Richmond.