Get Bikini Ready
1. Kate Hudson
“Kate is outdoors every day. She loves fresh air and a change of scenery while she works out,” says her trainer Nicole Stuart. The California native can often be spotted running stairs, hiking, jogging or biking in L.A.
Try one of Hudson's workout routines from Nicole Stuart
2. Jessica Alba
After giving birth to daughter Honor-Marie, Jessica Alba worked hard with trainer Ramona Braganza to get back into shape. The slimmed-down star followed a 12-week low-fat diet and spent plenty of time exercising. "She swam and played volleyball, but she was out of the gym and enjoying herself," says Braganza.
3. Bar Refaeli
And the 'Sports Illustrated' 2009 Swimsuit issue cover goes to...Israeli supermodel Bar Refaeli (here in a Luli Fama swimsuit), who stays in shape with a variety of cardio and martial-arts based workouts, including Krav Maga. "My trainer taught me all kinds of kicks and they work everywhere-your abs, your butt," Refaeli says. The Israeli fighting method Krav Maga, which has attracted stars like Jennifer Garner, Charlize Theron, and Anna Kournikova, provides a full-body workout very similar to cardio kickboxing and uses resources you can find at most gyms including kettle bells, jump ropes, boxing bags, and gloves.
4. Penelope Cruz
Trainer Gunnar Peterson works hard with Penelope Cruz to keep her body in shape for movie roles, red-carpet appearances and bikini season- but she doesn't let her time in the gym take over her life. "Fitness and body is only part of who she is; she's get in, get after it, get out," says Peterson. Her well-rounded, healthy lifestyle takes care of the rest. "You can tell when you look at Penelope that she sleeps well, hydrates and eats the right things. She has a balanced life and it shows."
Try Cruz's full workout routine from Gunnar Peterson
5. Lauren Conrad
'The Hills' star Lauren Conrad (in Vitamin A) works with celebrity trainer Jarett Del Bene to keep her body bikini-ready year-round. He keeps her on a high-intensity circuit training program just two or three times a week. "It includes full-body movements, boxing and lots of lunges, squats and step-ups," says Del Bene. For a do-it-yourself circuit workout, combine a hike or run with breaks for lunges, squats and step-ups.
6. Eva Mendes
A bronzed and buff Eva Mendes (in Lunazul) works with celebrity trainer Harley Pasternak to keep her toned physique. Her workouts, based on Pasternak’s 5-factor diet and fitness regimen, combine a 5-phase cardio and strength-training circuit. "We train different body parts each day, and change up her reps and sets and exercises every week," Pasternak says.
Try Mendes' full workout routine from Harley Pasternak
7. Ali Larter
Staying fit is a big part of Ali Larter's lifestyle, but she tries not to go to extremes. "Balance is something that we all strive for," she says. "But for me it's to make sure my life has enough downtime, plus a bit of play."
8. Vanessa Hudgens
While we can't all have the youthful metabolism of Vanessa Hudgens, a healthy diet can produce similar results. "Seventy percent of the bikini-friendly results will be found through optimum nutrition," says celebrity trainer Grant Roberts. "The other 30 percent includes a well-designed workout program that includes weights, cardio, stretching and lifestyle management such as reducing stress and getting adequate rest."
9. Charlize Theron
Take a cue from Charlize Theron and move your workout outside. Whether it's boogey boarding and running on the beach like Theron or just hiking, biking, or running outdoors-the fresh air and natural scenery is sure to keep you energized.
10. Katherine Heigl
Katherine Heigl works with celebrity trainer Harley Pasternak to keep herself fit, but doesn't worry about achieving an athletic appearance, "It's just not me and I don't have that kind of discipline," she says. Instead Heigl works with Pasternak to keep her body healthy (she follows his 5-factor diet) and focuses on small but important details like posture. "For me it's never about achieving a look that's impossible," she says.
11. Blake Lively
Blake Lively has an enviable long lean body and glowing skin. You can get the same glow without even lifting a finger. A healthy diet and lots of water will brighten up your skin and keep you fueled and energized for working out. "The more fresh food you can eat, the better obviously," says celebrity trainer Teddy Bass. "It's what our bodies are made to process."
Rihanna showed off her enviable figure while relaxing in Barbados. The busy superstar keeps her figure bikini-ready with a packed performance schedule, walks on the beach, inner tubing and jet skiing while on holiday.