Kimmel's Career Highlights Include David Letterman

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TV Guide's annual Hot List Party brought out the biggest names in television Monday night in Hollywood, where ET caught up with Jimmy Kimmel, Adam Levine, NeNe Leakes and a very playful Michael Weatherly with his wife Bojana Jankovic.

Jimmy was his usual charming, self-deprecating self at last night's star-studded event, where he revealed that along with wrestling a gorilla in the Serengeti with his "bare hands" and roasting the president during the White House Correspondents Dinner, a career highlight was actually interviewing fellow late night host David Letterman.

"The madness goes a lot deeper than that interview indicated," he dished. "I could tell Dave was starting to get nervous so I reeled it in a little bit. ... He's not that comfortable with praise."

Related: Kimmel to Compete One-on-One with Leno & Letterman

The Voice judge Adam was humble about landing the TV Guide cover, and he also talked about his foray into acting with American Horror Story: Asylum.

"You just make it your comfort zone -- now it's my comfort zone," he said about making the successful transition from musician to television star. "It's awesome, I love it."

But television star or not, he revealed that he didn't get to keep any coveted American Horror Story props.

"They didn't let me keep the bloody arms. I'm really sad about that," he joked. "They had to take it back. I just wanted at least a stump -- it would have been nice."

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Check out the video to see our interview with hilarious NCIS star Michael Weatherly, NeNe Leakes on her mega-successful year landing a role on The New Normal, and why Real Housewife Camille Grammer feels like the "coolest mom ever."