'Dancing With The Stars' Premiere: Courteney Cox & Daughter Coco Support David Arquette (VIDEO)

Rob Kardashian may have had his own Kardashian cheering section during Monday night's "Dancing With the Stars" premiere (Sept. 19), but actor David Arquette had a few cheerleaders of his own -- estranged wife Courteney Cox and their daughter Coco.

The 40-year-old actor, who split with the former "Friends" star after 11 years of marriage in October 2010, recently celebrated over eight months of sobriety, and Courteney and Coco, 7, looked proud as they cheered him on from the front row.

Performing a Viennese waltz, David and his dancing partner Kym Johnson received a standing ovation from the audience and a few compliments from the show's judges.

"I was very impressed," Len told Arquette. "You're a dancer."

Following the routine, David -- who received a score of 18 for his moves -- said of daughter Coco: "She's just so beautiful. She's the love of my life."

And then the camera pans to Coco, and it's definitely the most adorable moment of the night.