Supermodels are born with many “powers,” including the ability to reverse the aging process. This past weekend, a 50 year old (!) Elle MacPherson ignited body envy with an understated, but incredible photo on Twitter. Adorned in a teeny bikini with green smoothie in hand (above), the legendary runway strutter flaunted a hot bod that twenty somethings spend countless hours in the gym trying to achieve. Turns out the Australian reality star and sometimes actress has always been one of the best looking celebs on and off the red carpet. Click through and see 15 times she didn’t look her age.