19-year-old Kate Upton has been chosen to be on the cover of this year's Sports Illustrated Swimsuit Issue. Upton appeared in the magazine in 2011 for the first time and was named Rookie of the Year.

SI has released a swimsuit edition every year since 1964, and an estimated 70 million adults will read this year's issue.

Here are the magazine's cover models in the past 5 years.