by Free Britney at . Comments

A quartet of our favorite stars are another year wiser on this 9th day of April. We're marking these celebrity birthdays with photo tributes to the girls (and boy):

The lovely Kristen Stewart of Twilight fame is 19 today ...

Twilighters

... while Gossip Girl star Leighton Meester is 23 ...

Thumb Sucking Fun

... adult film legend and new mom Jenna Jameson is 35 ...

Jenna Jameson Naked

... and Hugh Hefner (a man who truly needs no description) is 83!

by Mischalova at . Comments

Jenna Jameson turns 34 today, although there's no truth to the rumor that she's celebrating by sleeping with that many men.

It'll obviously be 35 instead. One for good luck.

Just JJ

In all seriousness, folks, we wish Jenna nothing but the best. We doubt she'll have trouble blowing out her candles.

According to our calendar of celebrity birthdays, Jameson will be joined today by a number of stars. Here's a look at that eclectic mix of celebs: