Ben Affleck and Matt Damon headed to Vegas on Thursday for the Ante Up For Africa poker tournament.

Britney Spears stopped by Starbucks in Calabasas on Friday.

Robert Pattinson continued filming Remember Me in NYC on Friday.

Sam Mendes cuddled up to Kate Winslet Wednesday while watching a tennis match at Wimbledon.

After a few weeks of hard work on the set of How Do You Know? Reese Witherspoon treated herself to a shopping trip in LA yesterday. She headed back to her car with a few new bags of goodies — shop her look here. Perhaps she stocked up for some Fourth of July fun this weekend whether she spends it on Martha's Vineyard with Jake, home in California, or at one of the other glamorous spots across the US.

Lots more of Reese hitting the stores so just read more

Rebecca Romijn carried her pup out of a friend's house earlier this week in LA.

Jessica Alba and a friend tested out mattresses on a shopping trip in LA on Wednesday. She also decided to try out a lighter hair color perhaps getting into the Summer spirit. This isn't the first time she's gone brighter, but what do you think — do you like her better as a blonde or a brunette? While the temperatures are rising this long Fourth of July weekend, it will give Jess a chance to show off her hot bikini body along with her new look.

To see more photos of Jess with her blonde hair just read more