John Mayer is proof that making the girl laugh makes her fall for you.

Jessica Simpson's new squeeze, who is also a budding comedian, stretched his comedic muscles during an appearance on the reality show "I'm From Rolling Stone" and opened up about his growing fame.

The "Your Body Is A Wonderland" singer said he will never write a song about being a world famous singer/songwriter, saying, "I refuse to ever write a song about ANY trappings of fame. That's like your head crowing inside your ass, only set to music. Lots of people think 'Vultures' is about fame and the entertainment industry, but it's not. It's more about where my confidence comes from."

The musician, who has begun performing stand-up comedy gigs, joked when asked to recall the first time he "bombed" during a set. He said, "You mean 'set' as in just one? I'm not done bombing. I'm still clearing out a life's worth of 'Is that funny?' To which the answer is usually 'at least not the way you said it, it's not.'"

The private star, who has been linked to Jennifer Love Hewitt and Heidi Klum in the past, avoided questions about his latest girlfriend.

However, when asked if he listens to her music, Mayer said, "I listen to most new music released every week."

The new couple have been spending time together in Miami, Florida.

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