Call it the Comic-Con 2010 Battle of the Well-Pressed Breasts. "The Other Guys" star Eva Mendes literally went chest-to-chest with "Green Lantern" hottie Blake Lively. Both girls caused more wardrobe malfunction suspense in one weekend than Tara Reid did in an entire decade.

First Eva wore an unnervingly strapless gold lame frock and publicly flirted with two "adorable" geeks before admitting, "I'm totally going to get a rep now. But Blake's super-low sculpted white futuristic top also caused a rapid rise in geek blood pressure during the "Lantern" panel. Not mention the angst poor Ryan Reynolds experienced trying very hard not to look at what was in front of him.