Uma Thurman vs. Paris Hilton

Who'd You Rather?

7/7/2013 5:30 AM PDT BY TMZ STAFF
0707_uma_paris_wwyr_gsi_infProving 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 ...