During a segment being taped for "Late Show With David Letterman', hours before the announcement, a New York Office Worker snapped a photo of the image.
At midnight Monday during CBS' Late Show With David Letterman it supposed to announce the news that Russian model Irina Shayk is gracing the cover of the new Sports Illustrated Swimsuit Edition, but instead, the image was revealed hours earlier on Twitter. Around 11:30 a.m. ET, Late Show was taping a segment that involved a billboard featuring the cover image.
Nearby, Rana Wardlaw, Starcom Worldwide employee noticed the billboard outside her office window, snapped a photo of it and then tweeted it.