Alfonso Ribeiro Teases 20-Lb. Weight Loss Ahead of 'Dancing with the Stars' Return

Exclusive: 'Fresh Prince' star will perform iconic 'Carlton' dance + more surprises on upcoming season 31

'Dancing with the Stars' returns September 19th on Disney+

Alfonso Ribeiro is back on 'Dancing with the Stars,' and he's bringing the heat! The 'Fresh Prince of Bel-Air' star exclusively tells ET that he's lost 20 lbs. ahead of the show's upcoming 31st season, and he's ready to show off his moves.

"I'm feeling great," Ribeiro says. "I've been working hard in the gym, and I'm really excited to get back on the dance floor."

Ribeiro, who won the show's 19th season in 2014, says he's "excited to dance again and to show everybody what I've got." He also promises to perform his iconic "Carlton" dance from 'The Fresh Prince of Bel-Air.'

"You know I had to do it," Ribeiro says with a laugh. "The fans have been asking for it, and I'm happy to deliver."

In addition to the "Carlton" dance, Ribeiro says he's planning some other surprises for his 'Dancing with the Stars' return.

"I can't say too much," Ribeiro says. "But I can tell you that I'm going to be dancing to some of my favorite songs, and I'm going to be bringing my A-game."

Ribeiro is one of 16 celebrities competing on 'Dancing with the Stars' season 31. The new season premieres Monday, September 19th on Disney+.