The Marie Claire Challenge: Power Up Your Life!

Are you ready to change your life for good? Welcome to the smart woman's guide to becoming slim, strong, motivated, and focused in 12 short weeks.

Advertisement - Continue Reading Below

By now, you've made serious progress toward your dream body. You've developed a healthy five-day-a-week gym habit. And you know which foods give you the fat-burning, energy-boosting effects you want. (Missed all that? Find parts 1 and 2 of our 12-week plan at marieclaire.com/powerup.)

The past two months have been easy. But now it's tempting to try the "too busy" excuse--and then there's your best friend's birthday dinner, and next, you're eating the leftover cake from the mail-room guy's farewell party. Just say no. Here's your two-step plan for bulletproofing your healthy habits—forever--against anything life throws at you.

About your trainer: Jillian Michaels

Jillian Michaels gets you results, whether you have 5 or 50 pounds to lose, with the smart strategies she's honed as a trainer on The Biggest Loser. Find out more about Jillian and her approach at jillianmichaels.com.

Health & Fitness
Share
The Internet Is Freaking Out Over Instagram Fitness Star Anna Victoria's *Real* Wedding Body
Health & Fitness
Share
Almost 300 Pregnant Women in the U.S. Now Have the Zika Virus
Health & Fitness
Share
I Tried SoulCycle and Hated It
Health & Fitness
Share
I Used to Hate Exercise—Until It Was the Only Thing That Got Me Through My Dad's Death
Health & Fitness
Share
Are Ultrasound Photos Affecting Abortion Rates?
Marie Claire + Lenny
Health & Fitness
Share
Your Summer Guide to Natural Mosquito Repellants
Health & Fitness
Share
My Dad Got Cancer, and Then He Killed Himself, and I'm Still Picking Up the Pieces
Health & Fitness
Share
Is "Spring Fever" a Real Thing?
Health & Fitness
Share
How Being a Plus-Size Nude Model Made Me Finally Love My Body
Health & Fitness
Share
I Tried an Instagram Fitness Challenge and My Body Changed Like Crazy