• Actress Demi Moore and daughter Rumer Willis (L) attend the premiere of the film "Palo Alto" in Los Angeles May 5, 2014.

Actress Demi Moore and daughter Rumer Willis (L) attend the premiere of the film "Palo Alto" in Los Angeles May 5, 2014. (Photo : REUTERS/Phil McCarten)

American actor Bruce Willis has reunited with his ex-wife Demi  Moore as his eldest daughter Rumer Willis makes a debut on season 20 of the show "Dancing With The Stars."

The 26-year-old celebrity child, who is an actress as well, is making her debut in the show business through DWTS. Rumer is pairing up with the professional dancer, Valentin Chmerkovskiy. The pair performed the foxtrot for the show's premiere which was received with great response.

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To cheer up Rumer, both Willis and Moore were present in the audience along with the dancer's siblings Tallulah, 21, and Scout, 23. Moore, who was earlier spotted seated next to her estranged husband, soon took a back seat behind the 59-year-old actor's wife  Emma Heming .

"She's just really excited and supportive," said Rumer recently in an interview on being asked her mother's reaction about joining the dance reality show, E! News reported. "I think that's the most important thing that anybody can ask for, is just the support and love from your family."

Moore looks absolutely stunning in a plunging black dress with gold detailing along the neckline and the minimal makeup. Willis looked perfect as a proud father in a black suit and trousers with a white dress shirt. His attire seemed to be in  color coordination with his second wife, who wore a sleeveless monochrome design dress.

Rumer's siblings were also spotted cheering their sister throughout her performance. Rumer bagged the highest score of the evening with her foxtrot performance to Hozier's track "Take Me To Church." Rumer had recently declared that she was being pursued to join DWTS by the show's producer for a long time but was always hesitant to hit the dance floor, Daily Mail reported.

Moore, who had almost deserted Twitter since 2013, once again was back to the micro-blogging site to express her happiness and excitement. She also urged her fans to vote and support her daughter.