Proving that some things do get better with age, Mary-Louise Parker turns 45 (!) today, a year older and sexier as she remains one of our favorite celebs.

Whether she's cooking half-naked in Esquire or firing off hilarious Weeds quotes left and right, the gorgeous and talented star amazes us year after year.

It's an honor to celebrate her birthday this second day of August.

Click to enlarge some of the images below, a little tribute we put together of classic photos of Mary-Louise Parker nude, close to it, and more covered up ...