Her husband, tennis star Andy Roddick, usually steals the spotlight but Monday night all eyes were on Brooklyn Decker.

The sports star’s little known 22-year-old wife was unveiled as the 2010 Sports Illustrated swimsuit cover girl on “The Late Show With David Letterman.”

After a false alarm in which Letterman pointed to a fake billboard of a naked Scott Brown (in reference to the senator’s vintage nude spread in Cosmo), a sheet was removed from the real SI billboard in Times Square to unveil Decker’s tanned body in a yellow bikini.

The “Perfect 10″ has been married to Roddick since April. According to Eonline.com, they met in 2007, after she caught Roddick’s eye in Sports Illustrated’s 2007 swimsuit issue.

As soon as Decker’s 2010 cover was unveiled, the model took to Twitter like all good celebrities, and expressed her thanks.

“THANK YOU EVERYONE!!! I Wish I could respond to every single one of you but thank you so much for your AMAZINGLY sweet tweets!”

Cover girls in the past have included Tyra Banks, Bar Rafaeli and Heidi Klum – all of whom went on to carve out successful careers in the spotlight.

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