Christina Aguilera’s Trainer Shares 5 Secrets Behind Her Recent Weight Loss Transformation: Ab Exercises, ‘Heavy’ Weights And More

Christina Aguilera showed up to all of her red carpet events this year looking hotter than ever—at 43! The pop star has reportedly lost 40 pounds over the past year, and she has all the curve-hugging outfits to prove it. Wondering how she did it? Her personal trainer, Tee Sorge, who has been working with Aguilera for the past 3.5 years, just shared the 5 things she swears by to keep a fit figure. Keep reading for more information.

While many women stay away from heavy weights over a fear of getting “bulky,” Sorge shares that it’s actually the key to getting toned. “Christina does biceps curls with 15-pound dumbbells and chest presses with 20-pounders,” she says. “She knows they’re not going to bulk her up. What they will do is help build lean muscle that kicks up your metabolism and make your body burn more calories each day—so you’ll lose weight faster.”