World's Most Beautiful

PEOPLE's Most Beautiful Women: Then & Now

See the gorgeous icons who've earned the coveted title – and find out how they've gotten more gorgeous with time

JENNIFER ANISTON

Most Beautiful 2004: Aniston, who'd just wrapped up her wildly successful sitcom Friends when she landed on the cover of PEOPLE, confessed to plastering on makeup in her younger, more insecure days. When she finally stopped, "I'd have people say, 'God, you look so much better.'"
Now: Newly married to actor Justin Theroux and with a high-profile movie career, the actress is only getting busier: The youthful 47-year-old is also a spokesperson for Aveeno skincare products, which she's been using for years. But her best beauty tips? "Drink a lot of water – and get your sleep," she told PEOPLE.