Nina agdal lily aldridge chrissy teigen 2014

Happy Birthday,
Swimsuit Issue! :
Sports Illustrated
Celebrates 50 Years of
the Swimsuit Issue:
See Some of the Most
Memorable Covers!

Sorry, Hallmark… someone else finally figured out how to make Valentine’s Day appeal to guys!

That’s a job for Sports Illustrated, of course!

It goes without saying that the swimsuit issue is always one of the most anticipated issues of the year—but this year, the iconic sports mag had to go even bigger, as it’s the 50th anniversary since the first swimsuit issue hit the stands!

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And we’d like to think they totally nailed it!

The cover features models Nina Agdal, Lily Aldridge and Chrissy Teigen wearing just tiny, heart-shaped bikini bottoms! We’re sure that’s the kind of Valentine’s Day spirit any guy could embrace!

This year’s cover is sure to be one for the ages—check out 10 other unforgettable covers!