Jennifer Love Hewitt
's famous cleavage appears weekly on "The Client List" -- but would she ever show even more in the pages of Playboy?

That was the question posed to her by a Twitter fan on last night's always-entertaining "Watch What Happens Live" with Andy Cohen.

Her response: Hell no!

"I would have done that in my 20s," she told Andy. "If I was gonna do it, I should have done it then, not now."

Sorry guys -- though she says she and her boobs (which she once famously dubbed Thelma & Louise)  "appreciate" the attention.

Another thing she won't be doing: Adam Levine.

Though she previously told Ellen DeGeneres she had a crush on the Maroon 5 singer, J.Love now says she wouldn't hook up with him if it were an option.

Watch the video above to find out why. Hint: It involves McDonald's

Still want more Hewitt? Check out a behind-the-scenes look at her sexy "Client List" music video below. The show returns this Sunday on Lifetime.

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