Beckham takes his 4-year-old son on a ride while shopping in West Hollywood. Plus: Megan Fox, Fergie, Jessica Simpson and more

BIRTHDAY GIRL

Celebrating her big 4-0, Jennifer Lopez closes in on her cake during a party in her honor on the New York City set of The Back-Up Plan on Thursday, the night before her actual birthday.

Toast to Lopez's big day with 40 shots of the singer-actress through the years!