Halle Berry kicked off off the 18th annual EIF Revlon Run/Walk for Women in Los Angeles. - Frederick M. Brown/Getty …A fresh-faced Halle Berry took it to the streets brightand early on Saturday morning when she kicked off the 18th annual EIF RevlonRun/Walk for Women at the Los Angeles Memorial Coliseum in Exposition Park.

Alyson Hannigan and Eric Stonestreet lent their support too. - London Entertainment/Splash News

The 44-year-old -- who also serves as the cosmeticscompany's brand ambassador -- was joined by 40,000 race-goers, including herevent co-host Alyson Hannigan, of "How I Met Your Mother,""Dancing With The Stars" judge Carrie Ann Inaba, and "ModernFamily" star Eric Stonestreet. "Really excited for the @EIFRevlonRW_LAtoday!," Carrie Ann tweeted an hour or so before the race started. "Ican't wait to see you all there supporting this amazing cause!"

The Revlon Run/Walks -- which take place in New York and L.A. every year -- have raised $60 million since 1994. …

The purpose? To wipe out women's cancers once and forall. The Run/Walk -- which also takes place in New York every year -- hasraised $60 million since 1994.

Way to go, ladies ... and gentlemen!

More Celebrity Features on Yahoo!

Get Fit, 'Glee'-Style

Kim Kardashian's Workout Secrets

Fit 'n' Famous

Follow omg! on Twitter

Actress (and restaurateur) Eva Longoria is the latestceleb to jump on the cookbook bandwagon, sharing more than 100 recipes and familyanecdotes in her new book, Eva's Kitchen. Though Eva sharesseveral Mexican-inspired recipes and Texas-style dishes, drawing from both herethnic heritage and her Lone Star State upbringing (the 36-year-old grew up on a ranch in CorpusChristi), the book stays decidedly international with recipes for Brazilianleeks, Brussels sprouts tossed with kimchi, Hungarian paprika chicken, and evengood old-fashioned meatloaf. The actress also draws from her travels, includingrecipes for a white French dressing from The Grey Moss Inn in San Antonio andlemon fettucine courtesy of the chef at New York's Serafina Restaurant.

But while some of the dishes lean toward the decadent(read: high-calorie) side, there are plenty of healthy ideas, too -- and withEva's figure, that's no surprise. The rich-sounding chicken with caramelizedshallots and shitake-wine sauce uses a

Leighton Meester gets some exercise with her hiking partner. - Brooks/INFphoto.comSure, you can burn a lot of calories at the gym, butlet's face it -- a stuffy room full of treadmills and free weights isn'texactly the most exciting place to spend time. Maybe that's why so many celebslike to take their workouts to the great outdoors and tone their muscles onhiking trails, which often include scenery and sun. And you can't findthat at the gym ...

Check out this photo gallery to see which stars get theirsweat on by hiking.

More Celebrity Features on Yahoo!:

Kim Kardashian's Workout Secrets

Cindy Crawford's Body Balance Tips

Fit 'n' Famous

Follow omg! on Twitter

Jordin Sparks tweeted a pic of her new figure in a bikini. - Twitter.comThey say when you've got it, flaunt it. And that's exactly what "American Idol" winner Jordin Sparks did --- to her 871,277 Twitter followers.

The 21-year-old tweeted a picture of herself in a strapless polka-dot bikini, along with the comment, "I don't know why but my bathing suit reminds me of fruity pebbles. :)"

But it wasn't the cerealesque bathing suit that stunned fans -- it was her newly toned and slimmed-down figure.

"Something just clicked with me, and instead of sitting around talking about it I said, 'I'm going to go hike that mountain!' And it continued. I've been hiking and I've done a couple of runs," she told Us Weekly last month. "I also do Zumba. It's so much fun!"

And it clearly worked! Though the singer, who'll tour with NKOTBSB this summer, never shared how much weight she wanted to lose, she did reveal who inspired her to do it -- Halley Berry.

"She is perfect! I think she is beautiful. For me being 21, and then seeing Halle Berry look as good as she does, I

Nina Dobrev shares her fitness regimen with Seventeen. - SeventeenThe 22-year-old admits she prefers volleyball over beach lounging. - Seventeen

If Nina Dobrev, the svelte star of the hot CW series"Vampire Diaries" keeps her own diary of how she manages to maintainthat fab figure, we want a copy. But the interview the 22-year-old Bulgarianborn beauty gives to Seventeen magazine comes pretty close.

Watch the Behind-the-Scenes Video of Nina's Shoot!

"I do a lot of yoga. I practice yoga three or fourtimes a week. It's an escape for me," says Dubrev, who may just have acareer to fall back on if if this whole acting thing doesn't work out. "Icould be a yoga instructor. I'm not certified, but I could do it. Once I did aclass where the instructor didn't show up, and I just went to the front and didit, and everyone followed. So I've done it before, and I love it."

Meet the Guys from 'Vampire Diaries'

And when she can't make it to the gym, the Bulgarian-bornbeauty still squeezes in plenty of activity to keep fit.

When she can't work out, Nina keeps busy with plenty of other activities. - SeventeenThe lucky actress says she get caught up in counting calories. - Seventeen

"Over Christmas, I had a break, and I didn't go tothe gym once, but I was in better shape than I am now, because for the

Stressful, busy days can make it difficult to shut out the world and get some shut-eye, an issue millions of Americans deal with nightly. Plenty of celebs, including Drew Barrymore and Eminem, have admitted to battling insomnia and even teen queen Miley Cyrus recently tweeted, "I have just diagnosed myself. I am an insomniac."

Whether you're in show biz or not, any kind of hectic schedule can leave you physically exhausted, but still mentally stimulated. After getting medical treatment for insomnia in 2008, "Grey's Anatomy" star Justin Chambers told People magazine, "Your mind keeps racing, and your body is tired. It wants to go to sleep, but it can't."

Eminem has spoken publicly about his battle with insomnia. - Deano/Splash NewsMiley Cyrus recently tweeted, "I have just diagnosed myself. I am an insomniac.” - PacificCoastNews.com

Though you might want to reach for that sleeping pill to knock yourself out, there are more natural ways to get some rest. Nutritionist Kelly Aronica shared some tips — including foods to reach for and ones to avoid — on how to ease yourself into a gentle and peaceful slumber without the morning grogginess of sleeping pills.

The voluptuous Kim Kardashian doesn't rely on diet alone to keep her curvy physique in shape. In addition to regularly hitting the treadmill, the reality star's workout weapons include doing plenty of squats, lunges, and abdominal exercises. Celebrity trainer Gunnar Peterson tells us which moves Kim and other curvaceous clients, like Jennifer Lopez and Sofia Vergara, use to stay svelte in all the right places on this episode of "Inside & Out."

More Celebrity Features on Yahoo!:
Gwyneth Paltrow Shares Her Sculpting Secrets
Cindy Crawford's Body Balance Tips
Kim Kardashian: I Didn't Know 'How to Embrace Curves' as a Kid

Follow omg! on Twitter

Cindy Crawford - Ralph Notaro/Splash NewsFormer supermodel Cindy Crawford was famous for her curves and for her signature beauty mark in the 1980s. Now 45 and married with two kids, Crawford still puts women half her age to shame. omg! caught up for an exclusive chat with the multi-talented mom -- who just signed on as the new face of Propel Zero enhanced water -- about health, fitness, and family.

The Propel Zero ad you did with your husband Rande Gerber, and kids, Presley, 11, and Kaia, 9, was really cute. Did your kids really ask to be in it the night before? "100%! I was like, Rande, you have to do it because everyone knows what you look like, but we could have some fake kids -- real kids, just not my kids -- and we won't show their faces so they could kind of pass as my kids. Then the night before we were all out for dinner, and the kids were like, 'You're using fake kids? We don't want you to use fake kids.' It was a Sunday, so they didn't have school, and it ended up being a really nice family day. They ended up