The Fit 5: Tips to Feel (and Look) Like a Star!

What’s Courteney Cox Arquette’s secret to turning back the clock? Cardio and weight-training sessions five times a week. “After you turn 25, women start to lose muscle mass and your metabolism lowers,” explains Arquette’s trainer, Michelle Lovitt. “You basically offset age with exercise.” The 44-year-old, who has daughter Coco, 4, retains her muscle mass by running, hiking and doing total-body exercises, including squats with a punch. “She just wants to be a fit and healthy mom.” Learn some moves to age-proof your body on Health.com. – Jenny Sundel

Getting good nutrition on the go is a challenge for The View cohost Elisabeth Hasselbeck, who suffers from Celiac disease – a condition that affects the small intestine and prevents the ability to tolerate gluten products. Her solution is the gluten- and sugar-free thinkThin bars. They’re filling, packed with 20 grams of protein and come in a variety of flavors, including Chunky Peanut Butter. Read more about Celiac disease and what you can do about it on Health.com! – Katherine Kluznik Rentmeester

To tone up for her upcoming guest-starring role on CSI: NY, former Laguna Beach star Kristin Cavallari turned to trainer Eric Paskel. “Her goals are to define her arms, particularly her triceps and shoulders,” says Paskel, who taught her the alligator push-up. “Start in a plank pose and lower down, just hovering above the ground and using hand and feet, walk yourself forward three steps and three steps back. It hits the triceps in a way gym equipment can’t.” Work your muscles with Health.com’s 15-minute total-body workout – Serena Kappes

Jennifer Garner and Reese Witherspoon protect their lustrous locks from sun and color damage with the Alterna Caviar Anti-Aging Moisture Shampoo ($30) and Conditioner ($32), an ultra-rich combination that protects hair from UVA/UVB rays. The caviar extract delivers omega-3 fatty acids – thought to enrich the hair and scalp. Plus, the products are sulfate- and paraben-free, and biodegradable! Read about other healthy treats for your hair on Health.com! – Maureen Harrington

When Nicollette Sheridan needs a break from her hectic life, she goes to the beach or heads to the hills for a run with her golden retriever Oliver. “Exercising really clears my mind – it’s like meditation,” says the Desperate Housewives star. “I do need that time to get away and be quiet.” Read Health.com’s tips for other ways to de-stress yourself. – Amy Elisa Keith