From a 29-year-old Jodie Foster and a baby-faced Leo to two-time covergirl Jen, see who's graced PEOPLE's World's Most Beautiful issues covers through the years.

the actress opts for an even more risqué — and less Instagrammable — look. "When I'm tanning, I am topless," she admitted to PEOPLE. "Shh, don't tell nobody, but I don't like tan lines." ...