Late Night Highlights: Watch Vintage Paul Rudd Dance in a Yellow Half-Tux

Before "making it," Paul Rudd earned money on the Bar Mitzvah circuit by dancing in a yellow half tux. No kidding! And David Letterman produced the video to prove it. Elsewhere, Stephen Colbert officially won Twitter (and told off Matt Damon), Jon Stewart slammed Jay Leno and Jack Black revealed the secret to his rock solid marriage.

4. Jack Black's Secret to a Solid Marriage

Spoiler: It's Project Runway. Every week, the Gulliver's Travels star and his wife make a little time for the Project, at least that is what the actor said before explaining how he earned his producer role on his latest film.

3. Gervais Mania

That is what incurred when Ricky Gervais visited The Daily Show last night to talk about his HBO special and lead Jon Stewart into a perfect Jay Leno diss. Hint: The slam includes a joke about a Stephen Hawking late night show.

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2. Stephen Colbert Tells Off Matt Damon

The Comedy Central host took time on last night's Colbert Report to personally reject holiday party invitations, tell off Matt Damon and receive the first-ever Golden Tweet Award.

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1. Paul Rudd's Dancing Memories

Last night on The Late Show, David Letterman dug up incriminating video of Paul Rudd dancing in a yellow half tux in the 80s for money (fast forward to :51), before demanding that the actor show the audience some of his updated moves. (Excuse the audio delay)