Plus, pics of Diddy, Kim K., Meagan Good and more.
The actress calls 2013 "the year of the visible vagina."
The "Queen B" claims her crown in XXL interview.
Nicki Minaj, Tyra Banks and Lauren London also celebrate this week.
Calling all Barbz! The rap princess celebrates her 31st birthday.
(Photo: STARPICZ/Splash News)
Plus pics from Iggy Azalea, TLC, John Legend and more.