Jennifer Aniston may be making her debut as a horrible boss, but she does have one hot body. Her secret? Yoga with Mandy Ingber. Mandy recently schooled us on how to get legs like Jen and the philosophy behind Yogalosophy — DVDs of the yoga workout are available for $15. Watch this video to learn Jen's fave yoga pose, tips for relaxing with your mat, and poses Mandy's celebs try to avoid. Read more

Known for her crazy costumes and her cut abs, Lady Gaga also has quite a shapely backside. To get the scoop on her booty moves, we talked to her trainer Harley Pasternak. Here, he shows us three exercises you can do to tone your tush. Read more

The secret to Jennifer Aniston's sleek, toned arms, according to her yoga go-to Mandy Ingber, is the Sun Salute. A staple of every yoga class, the Sun Salute stretches and strengthens the shoulders, biceps, and triceps. It's also a great way to warm up before working out. Take a lesson from Mandy and learn the Sun Salute by watching this video. Read more

Last year, Katie Holmes worked out on her birthday. The actress is a huge fan of spinning, and to celebrate her b-day, we're bringing you tips from her her spin instructor, Audrey Adler. Learn three moves Audrey using a stationary bike to tone your legs and bum. This video is full of great tips to help you maximize your indoor cycling workout and take it to the next level. Bike on! Read more

Victoria Beckham has more than a great fashion sense — she's got great gams, too. Check out these three leg-toning exercises we learned directly from her trainer, Ronald Jean. Watch the video for the deets on these multitasking moves, and then be sure to work them into your workout routine. Read more

There's a reason Heidi Klum is known as "The Body," and she's been working it for years, on and off the runway. To keep in tip-top shape for all her ventures, Heidi works out with LA-based trainer Andrea Orbeck. We recently got the skinny from Andrea on Heidi's must-do fitness moves — two that focus on toning the tush and one to perfect posture. Read more

It looks like Minka Kelly revved up her fitness routine to play one of Charlie's Angels — the revamped show returns to TV tonight, Sept. 22. Her longtime trainer, Gunnar Peterson, shared one of the actress's fitness secrets: standing ab work! Grab a dumbbell and learn how you can get Minka's abs. Read more

We are fans of Jennifer Aniston's abs, and we are fans of yoga. When you combine the two, like Jen's longtime trainer Mandy Ingber does, it greatly increases our enthusiasm to work our midsections. You can learn Mandy's mixture of yoga and sculpting moves in this video featuring three poses with variations. Ditch the crunches and work out with Jen's trainer! Read more

In her new movie Bad Teacher, Cameron Diaz makes being bad look so good. Talk about rocking the short shorts! We met up with her longtime trainer Teddy Bass to learn Cameron's leg-toning moves. Here are three exercises that will get your stems in Hollywood shape. For an extra challenge, Teddy likes to add a squeezable ball (in the Fall, keep a lookout for Teddy's own line of exercise balls) to Read more