The Pussycat Dolls founder Robin Antin knows a thing or two about being in shape, so RadarOnline.com spoke exclusively with the choreographer and dancer about the best ways to stay healthy in 2012.

Having worked with A-list acts like Pink, No Doubt, Christina Applegate and Paris Hilton — you may want to listen up to what Robin has to say below:

1.  What are reasonable goals to set in the New Year in terms of losing weight?

Most people join a local gym as part of their New Year’s Resolutions, but doesn’t joining a day spa sound a whole lot more appealing?

Several spas across the country, including Nitespa in Venice, California, are offering memberships for the most devoted beauty junkies with sensational deals– and RadarOnline.com has the 411 on the new trend.

PHOTOS: Bare-Faced Beauties: Stars Without Makeup!

Nitespa, which is located on the trendy Abbot Kinney Blvd. in Venice, offers three different Nitespa Society Membership packages ranging from $255 a month (includes 90-minute massage, detox facial, deluxe manicure and pedicure, and 10 percent off all products and services) to $145 a month (mini facial, bikini wax, express manicure and pedicure and 10 percent off all products and services). With savings up to $130 a month, it pays to join!

500 Days of Summer co-stars Zooey Deschanel and Joseph Gordon-Levitt collaborated for a special New Year's duet and RadarOnline.com has the video for you.

In a song titled What Are You Doing On New Year's Eve? Zooey strums on a ukelele while Joseph plays the acoustic guitar, they both sing, and it's oozing with cuteness!

"I have known Joe Gordon-Levitt for going on 12 years. We first met in the summer of 2000 while doing a tiny movie called Manic, where we bonded over a mutual appreciation for Harry Nilsson and Nina Simone and I have been lucky enough to call him one of my dearest friends ever since," Zooey wrote on her website, HelloGiggles where she posted the video.

It’s that time of year again when friends and family gather to celebrate the holidays, and RadarOnline.com is revealing how your favorite on-screen actors and actresses like Ellen DeGeneres, Brangelina, Lea Michele and John Travolta are spending the season.

PHOTOS: Ho-Ho-Ho! Katie Holmes & Suri Get Into The Holiday Spirit

Funny gal Ellen DeGeneres and her wife Portia de Rossi are taking to the high seas on a Caribbean cruise that both of their families will join them on.

“I’m Jewish, so we already celebrated Hanukkah,” Crazy Heart actress Maggie Gyllenhaal confided to PopEater.com of her plans with husband Peter Sarsgaard.