Kate Upton in Zero Gravity Staff 02/19/2014 Pictures Comments5.5k 16 0She is still a cover girl, just this time the 21-year-old model is featured on coveted 50th anniversary issue of Sports Illustrated Swimsuit magazine. This was ton in true big fashion with a photoshoot in zero gravity!Source 1234567 Share this post:Click to share on FacebookClick to share on TwitterClick to share on TumblrClick to share on PinterestClick to share on RedditClick to email this to a friend