1 of 15
Blake Lively makes a beaming arrival to set as she continues to film scenes for Gossip Girl's season 4, which debuts Sept. 13, at New York's Standard Hotel.
2 of 15
3 of 15
4 of 15
Vanessa Hudgens is hat to trot in an oversized topper and printed maxi dress while keeping her cool in Studio City, Calif., on Monday.
5 of 15
6 of 15
MAKING HER PITCH
Melissa Joan Hart winds up before throwing out the first pitch at a Los Angeles Dodgers game Monday in L.A. The Melissa amp Joey star must've brought the team some luck: they beat the Philadelphia Phillies, 3-0.
7 of 15
8 of 15
Ashanti and pal LL Cool J go glam Monday night for the 20th Annual NAACP Theatre Awards in Hollywood, where the actress was honored with the Spirit Award.
9 of 15
10 of 15
11 of 15
Jessica Alba makes a chic entrance into the Late Show with David Letterman studios in New York, where she's promoting her latest flick Machete, in theaters Sept. 3.
12 of 15
ICE, ICE BABY
She's got a (a.k.a. baby Louis!), now Sandra Bullock just needs an iced coffee during a Starbucks pit stop in Austin, Texas, on Monday.
13 of 15
14 of 15
Hours before defeating France's Stephane Robert in three sets, Andy Roddick hydrates for the U.S. Open on Monday – and celebrates his 28th birthday! – alongside model wife Brooklyn Decker in N.Y.C.
15 of 15
Drew Barrymore Recalls Flashing David Letterman, Plus More Celebs Who Addressed Their Biggest Pop Culture Moments
The Sweetest Things Queen Latifah Said About Her Mom, Plus Padma Lakshmi Opens Up About Her Endometriosis
Eva Mendes Celebrates in Mexico City, Plus Liam Hemsworth, Kate Middleton & More
Star Tracks: Celebs on Social