By People Staff
May 25, 2008 12:00 AM

Still basking in the glow of his Dancing With The Stars victory earlier in the week, the celebrating for Mark Ballas hasn’t stopped.

In Las Vegas Friday for his 22nd birthday with sidekick Derek Hough, Ballas was obviously very content with the results of the show, mainly for his partner Kristi Yamaguchi.

“I was just there to guide her along this fantastic journey and what an adventure it’s been,” he told PEOPLE at The Bank nightclub. “She definitely deserved to win.”

“Athletes are always good because they know how to be disciplined and they know how to listen,” he said. “I spent more time breaking bad habits and starting from scratch. We were working eight to 10 hours a day on that and I couldn’t be more proud.”

Hough, Ballas’s longtime friend, said Mark “110 percent deserved to win it. He worked harder than anyone.”

The duo, both celebrating birthdays (Hough turned 23 on May 17), showed off some of their winning moves from their VIP table, dancing to songs by Jay-Z and Bon Jovi.

Hough danced close with his DWTS partner Shannon Elizabeth. And thought the two haven’t acknowledged a relationship, they were spotted sneaking a few kisses at a dinner earlier in the night at Bellagio’s Fix.

The night was highlighted as Ballas and Hough were presented with a three-tiered birthday cake complete with a large shimmering disco ball replicating the trophy on the ABC show. –Mark GrayMichael Tran/FilmMagic