02/12/2008 at 08:00 AM EST
And now, something to heat up those cold winter days: It's Marisa Miller! The model and California native was revealed Monday night on David Letterman's Late Show
as the latest cover model for Sports Illustrated
's 2008 Swimsuit Issue. (It's her seventh time in the issue – see video of Letterman's unveiling below.) Check out PEOPLE's photo gallery preview
of the models and the athlete's wives
, then go to SI.com
for more photos and videos.