Uma Thurman vs. Paris Hilton Who'd You Rather?

7/7/2013 5:30 AM PDT

Uma Thurman vs. Paris Hilton -- Who'd You Rather?

Proving that age is nothing but a number, 43-year-old Uma Thurman rocked a bikini while hanging with family in France yesterday ... while Paris Hilton did the same while sunbathing in Malibu.

The question is ...