Mainstream Actresses and fake boobs

Are there any mainstream actresses, apart from notorious models like Pamela Anderson, with confirmed fake boobs?

I recently saw Mulholland Dr., in which Laura Harring was shown topless several times. From clothed scenes, her breasts looked very attractive while in her topless scenes they seemed so fake that they were actually big turn-offs.

I guess, fake boobs look good only under covers.
 
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