New York, Feb 9 : Tennis star Andy Roddick's wife Brooklyn Decker has graced the 2010 Sports Illustrated swimsuit issue as the cover girl.

The 22-year-old beauty was unveiled as cover girl on "The Late Show With David Letterman."

After the cover was unveiled, Decker took to Twitter to express her thanks, reports New York Daily News.

"THANK YOU EVERYONE!!! I Wish I could respond to every single one of you but thank you so much for your AMAZINGLY sweet tweets!" she said.

Decker tied the knot with Roddick in April.

According to Eonline.com, they met in 2007, after she caught Roddick's eye in Sports Illustrated's 2007 swimsuit issue.