Nicole Scherzinger Busts Conan for Staring at Her Chest (Video)

O'Brien admits he "almost threw my neck out" getting a peek at Scherzinger's cleavage

Conan, Conan, Conan … did you learn nothing from "Seinfeld"? Like George and Jerry said, it's all about stealth when you're checking out cleavage.

There was nothing stealthy about Coco's gandering at "The X Factor" judge Nicole Scherzinger's chest on Monday night's "Conan," though. Scherzinger called him on it, leading to a reaction in which we thought Conan's eyes might actually pop out of his head, cartoon-style: