Her toned arms and rock hard abs make it easy to forget that Cameron Diaz just celebrated her 40th birthday. Thankfully we know it isn't just good genes. The actress told Bazaar, "Exercise for me is like eating, sleeping, and breathing. I'm consistent, and when I'm not consistent, it shows up on my body."
Dame Helen recently showed off her younger side by wearing pink hair on the BAFTA red carpet. If you ask us, it's completely unnecessary. One look at her amazing bikini bod, and there's no question that age is nothing but a number.
Interestingly enough, Kimora Lee still goes on beach vacations with her ex-husband Russell Simmons and their children. If we were Russell's girlfriend, we might be a little intimidated by Kimora's gorgeous figure.
The secret to J.Lo's fit figure lies in the Tracy Anderson Method. Every morning the singer wakes up early to work out with her trainer, even on days when she dances for a couple of hours at her concerts.
Jennifer Aniston may be the spokesperson for Smart Water, but she's the poster child of stars who look great in their 40s. The petite star always has the perfect amount of muscle tone, making us interested in picking up yoga again.