Blake Lively hits the ‘Late Show’

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Blake Lively paid a visit to the Ed Sullivan Theater on Tuesday (March 24) wearing a stylish pink mini-dress.

The Gossip Girl star tempted newlywed David Letterman beyond the limits of mortal men when she offered him… a threesome!

Sure, Blake was joking about a polygamist marriage between her, Letterman, and Julia Roberts, but the electricity between the blonde bombshell and the Late Show host was so strong.

The 21-year-old actress shocked fans earlier this month when she and co-star Leighton Meester posed for a racy Rolling Stone magazine shoot.

Check out the clip of Blake and find out exactly what’s going on.