Hitting the late night promotional circuit, Olivia Wilde was looking sexy at the “Tonight Show with Conan O’Brien” on Thursday (November 5).

The “House” hottie chatted with the talk show host, doing her best to promote her hit TV show, “House”.

As for the FOX series, Olivia revealed that Jennifer Morrison’s character – who was thought to be in the process of being written off – will be back on the medical drama.

"As far as I know she's coming back," Olivia said. "I think now she's not in a few episodes, but she's coming back. None of us really knew what was going on, but at this point, I've heard the same information as you."

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Enjoy the pictures of Olivia Wilde on "The Tonight Show" (Nov 5).