Dancing With the Stars Cast Parties After Premiere and More Star Sightings

Find out what the fancy-feet peeps were up to when the cameras stopped rolling, plus dish on Leonardo DiCaprio's night in South Beach

Who says the gang over at Dancing With the Stars needs to rest and get some sleep after hitting the ballroom floor?

It was a DWTS party when pro-hoofer Mark Ballas and his band performed at The Sayers Club in Hollywood just after Monday night's season premiere.

Cheryl Burke and Derek Hough were there as were Maksim Chmerkovskiy and his brother Val, Peta Muratroyd and Bachelor hunkster Sean Lowe and his fiancé Catherine Giudici.

Also spotted out and about…

Ryan Gosling and a pal having dinner last night at Little Dom's in the Los Feliz neighborhood of L.A.

Leonardo DiCaprio washing down a filet mignon dinner with Dom Perignon at Baoli in South Beach.

Ashton Kutcher having a lunch meeting at Soho House in West Hollywood the day before Demi Moore's other former husband Bruce Willis did the same.

Brad Goreski celebrating the premiere of a new season of It's a Brad, Brad World with a dinner at Levi's Haus in L.A.

New Girl's Max Greenfield and his wife shopping at CB2 in West Hollywood.

Nick Lachey and a pal enjoying lunch at Casa Vega in Las Vegas.

Also in Vegas, Kelsey Grammer and his wife Kayte and their daughter eating at Pink Taco at the Hard Rock Hotel & Casino.