Sports Illustrated Swimsuit Cover Models - Then and Now

The coveted cover of the Sports Illustrated swimsuit issue has been graced by a long list of hot models since the special edition kicked off in 1964. This year, Chrissy Teigen, Nina Agdal, and Lily Aldridge landed spots on the cover for the 50th-anniversary special, which also featured plenty of sexy bikini moments inside. A whole group of past cover stars, including Christie Brinkley, got together to fete the publication in NYC on Monday night, and we couldn't help but notice just how much they...