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Pippa works hard to maintain that envy-inducing bum. The world's most famous sister is super fit, regularly partaking in triathlons, yikes! The three discipline event combines swimming, cycling and running for a hard, all-over workout. She's a regular at the annual Blenheim Triathlon.
Click here to find out when and where your nearest triathlon is being held...
Pippa Middleton
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Who doesn't want the body of a Victoria’s Secret model? Bar tweeted pictures of herself at the gym skipping and stretching out using a TRX.
Bar Refaeli
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Lady Gaga was spotted surfing in Mexico last week, and although she's busting out some pretty professional looking moves it was apparently her first time! Surfing is a great all-over workout - toning legs and core, while burning plenty of calories. Oh, and it's fun too!
Watch Nike 6.0's 30-minute surfing film for inspiration (it's well worth a watch)...
Lady Gaga
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Kim ramped up her training pre-wedding by enlisting the help of celebrity trainers Tracy Anderson and Gunnar Peterson. Tracy said, 'We don’t want to take away Kim’s amazing curves, so we just do specific movements to tighten the skin and to pull the muscles tight against the bone.' Tracy created a twice day workout for Kim to do, and she met with Gunnar to do exercises like curls and lunges two to three times per week.
Kim Kardashian
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Anne went from playing girl-next-door Emma in One Day to shooting the latest Batman movie (she's Catwoman, meow!). To get in shape Anne called on New York based trainer Joe Dowdell (he founded the Peak Performance gym in NYC) doing plenty of cardio and weights to get in tip-top condition. She's been mixing it up with 90-minute Bikram yoga sessions (the hot one) that helps get you super bendy - just like our feline friends.
Read ELLEuk.com’s Beauty Director’s take on Bikram …
Find out which beauty treatment Anne Hathaway found life-changing...
Anne Hathaway
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Naomi keeps her enviably trim physique in check with boxing and skipping. Skipping is integral to a boxers training , as well as improving fitness it helps with coordination, agility, speed, footwork and endurance, phew!
Naomi CampbellWe're coming to the end of summer, but that doesn't mean your fitness regime should wane. If you want a slender, honed body like an A-lister take inspiration from the exercises they do, all year round. Ready, set, go!