Kristen Stewart: Jon Stewart Will Make a Fool of Me on Robert Pattinson's 'Daily Show' Appearance

Robert Pattinson is officially coming out of hiding tonight and will appear on Comedy Central's The Daily Show for a lighthearted Q and A with Jon Stewart.

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Rob's got his new flick, Cosmopolis, to promote and, of course, there's this little cheating scandal involving long-term girlfriend Kristen Stewart, which will probably be at least be referenced.

While insiders say the majority of the interview will focus on work, knowing Jon's acidic wit, a source told RadarOnline.com K-Stew is "nervous" the host will make a complete fool out of her.

"She’s confident that Robert, who has always been such a private person about his personal life, will keep quiet over the cheating scandal," the source said. “But she does have some concerns that Stewart might poke fun at the situation in an attempt to get Robert to open up."

That being said, Jon wouldn't be the first comedian to take a stab at the mussed relationship. Will Ferrell gave a hilarious soliloquy about it on Conan O'Brien and actress Laura McDonald filmed a video where she mocked the actress playing a remorseful (and naive) Kristen apologizing to Rob.

The Snow White and the Huntsman actress has reportedly been so torn up about possibly losing him, she pulled out of her upcoming film Cali and is refusing to do press in London for On The Road.

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"She’s lost all interest in work and the projects that she was so passionate about just two weeks ago," a source said of the situation.

Meanwhile, the actress is "crossing her fingers" that Mr. Stewart is kind to her tonight.

Make a full media tour of NYC, Rob is also scheduled to ring the NYSE bell on Tuesday morning and make an appearance on Good Morning America.