Kate Upton defied the laws of gravity for the 2014 50th anniversary of Sports Illustrated Swimsuit Issue.
The 21-year-old model stripped down for the sexy shoot in a zero G plane.
Watch the behind the scenes flashing her famous assets.
Chrissy Teigen, Lily Aldridge, and Nina Agdal get the surprise of a lifetime! Watch as they find out they're actually going to be on the cover of the 50th anniversary of Sports Illustrated Swimsuit issue on live television!