Resolutions Aren't Easy For Alba, Either

(CBS)  Ladies, take heart: even the most beautiful women in Hollywood have a tough time keeping their New Year's resolutions to stay fit.

Celebrity trainer Ramona Braganza recently returned from the set of the "Fantastic Four" sequel, where she was whipping Jessica Alba into shape for her role as the Invisible Woman, and, get this: "Even Jessica has a hard time sticking to New Year's resolutions or even just continuing with a program," Branganza says.

The 25-year-old actress, who is often complimented on her physique (she was named "Choice Hottie" at the Teen Choice Awards in August), worked out with Braganza at least five or six times a week on the set of the movie, doing squats, lunges and major core training. Her intense fitness program could be the reason why the star seems to have shed pounds lately.

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Photos: Jessica Alba At The Teen Choice Awards

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"I've been working quite a bit with her on the core training on various things, using the foam roller or ball. There's all kinds of ways that you can make a stronger you," says Braganza, who has also trained Halle Berry.

What kinds of regimens to Berry and Alba follow? "A lot of core training, the core and cardio together are part of the functional fitness program. So it's basically (doing) something you do everyday anyway — stand up, sit down … you can strengthen your abs, your gluts your leg muscles and just repeat it several times and that'll take care of some strength training," she says. To watch some of the exercises

click here.

To cut down on snacking, Braganza recommends foods that are full of protein and fiber which "keep you full during your day." She suggests foods full of lean proteins, low fat cheeses, vegetables and fruits. She also likes products made for the South Beach Diet by Kraft. To learn more click here.

Branganza says that working in the entertainment industry can wreak havoc on an actress' body, if they're not careful.

"A lot of times it's just a matter of being on a set for 16 hours and needing some way to get to the gym, or eating right," she says. "It's just like everybody else. They've got busy days, they've got kids — a lot of things get in the way of exercising and eating right."

For busy schedules, Braganza suggests exercising in ways that don't make a huge impact on your day to day life.

"That's a reason that a lot of people fail in the New Year. They try to go too hard at it, with too many changes," she says. "Things you do naturally everyday — even walking — you can incorporate 20 minutes or 30 minutes (which) can be broken down into three 10-minute increments."
By Amy Bonawitz