VIDEO: Neil Patrick Harris Talks New Book, Dry Humping in HEDWIG on 'Letterman'

Neil Patrick Harris stopped by last night's LATE SHOW WITH DAVID LETTERMAN to talk about his new book "Choose Your Own Autobiography," and his recent Tony Award-winning performance in 'Hedwig and the Angry Inch."

"There was a lot of dry humping," said NPH of his rather risque performance in Hedwig, to which a surprised Letterman asked, "Do the Tony people know about that?" Quipped the actor, "Yeah, that's how I got the award!"

Check out clips from last night's appearance below!

HEDWIG marked Harris' first appearance on Broadway since he starred as The Balladeer/Lee Harvey Oswald in the 2004 Tony-winning revival of Assassins. His other Broadway credits include Proof and Cabaret.

The actor just completed the final season of the beloved CBS comedy "How I Met Your Mother" and has been honored with four Emmy Awards: three for his acclaimed hosting of the TONY AWARDS and another for his guest-starring role on "Glee." His recent film projects include Fox's Gone Girl, Universal's A Million Ways to Die in the West, and Disney/Pixar's The Good Dinosaur.