Cher

So how does Cher stay so in shape? Well, she has a few healthy habits that have helped her stay looking fabulous at 76 years old.

It's not the greatest thing," she told Into The Gloss. Cher loves to mix it up when it comes to working out– full-body fitness is her style. "Michelle [Pfeiffer] and I found out we could microwave sweet potatoes in four minutes, and that changed our entire lives," she wrote in her book. You have to be in the gym all the time," she told E! News in 2010. The singer is all about energy, and refined sugar only takes away from that. The celeb has long been open about her fitness and wellness journey, especially as she aged.