Sports Illustrated Swimsuit Issue 50th anniversary cover models revealed

Sports Illustrated readers will be seeing triple when they pick up the magazine's 50th anniversary swimsuit issue on newsstands (or in mailboxes) Tuesday, Feb. 18.

Models, from left (above), Lily Aldridge, Nina Agdal, and Chrissy Teigen are sharing the landmark spotlight in their first ever swimsuit issue covers. Earlier this week, SI released that Mattel icon Barbie will grace the front of a limited number of issues via a cover wrap in an advertisement for the the New York Toy Fair. Barbie will be dressed in a re-imagined version of the swimsuit she wore when the doll came out in 1959. Head to SI's Swim Daily site for more swimsuit issue details.

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