Celebrate Kate Upton's 27th birthday with these photos

Kate Upton Flashes Her Butt in Sheer Dress During 24th Birthday Bash -- See the Cheeky Style!

Bikini-clad Kate Upton celebrates 27th birthday with Dom Perignon in a $499 Champagne Gun in Texas

Kate Upton, Amy Cole recreate their husbands' Sports Illustrated cover look

Kate Upton Celebrates Her 27th Birthday With A Champagne Blaster

Face in the Crowd: Kate Upton

Kate Upton Breastfeeds In Swimsuit, Slams 'Ridiculous' Weight Loss Pressures

Kate Upton Celebrates Her 22nd Birthday in Chicago—Check Out the Exclusive Picture and Details!