Star Tracks: Wednesday, October 13, 2010

Shia LaBeouf suits up for another day of filming Tuesday on the Washington, D.C. set of Transformers 3.

Brad Pitt bumps up the star power Wednesday while visiting Angelina Jolie, who is making her directorial debut in Budapest, Hungary.

A matching pair! Ashlee Simpson-Wentz sports a short and platinum blonde coif – just like son Bronx, who turns 2 next month – Tuesday evening in N.Y.C.

Gerard Butler cozies up to his P.S. I Love You costar Hilary Swank Tuesday during an afterparty celebrating her new film Conviction at New York's Soho Grand Hotel.

Matt Damon stops by the Late Show with David Letterman studios in N.Y.C. on Tuesday to promote his latest film, Hereafter.

Jennifer Garner's little ballerina, 4½-year-old daughter Violet, waves goodbye after leaving a ballet class in Santa Monica, Calif., Tuesday.

Eric Johnson keeps a firm grip on girlfriend Jessica Simpson Tuesday as the couple makes their way back to their New York City hotel after a night out.

British beauties Carey Mulligan and Keira Knightley hold on tight during a photo call Wednesday for their latest film, Never Let Me Go which opens the London Film Festival.

After meeting with President Obama to discuss diplomacy in Sudan, a dapper George Clooney takes questions outside the White House on Tuesday.

Back from a promotional tour in New York, Life As We Know It star Katherine Heigl carves out some family time Tuesday, strolling through Los Angeles with husband Josh Kelley and daughter Naleigh, 22 months.

Hugh Jackman has a celebration fit for a hunk, enjoying an early morning workout on Tuesday – his 42nd birthday – in New York.

First nuts, now juice! Kim and Kourtney Kardashian make a chic pit stop Tuesday to refuel at a Jamba Juice in New York.

Hope she's willing to share! Ashley Tisdale takes her drinks to-go Tuesday after a quick stop by the Coffee Bean amp Tea Leaf in Toluca Lake, Calif.

Sienna Miller makes a grand entrance at London's artsy Somerset House on Tuesday for the opening of designer pal Matthew Williamson's new fashion exhibition.

Demi Lovato shows off her gams in a sizzling mini and sky-high heels before announcing the 2010 American Music Awards nominees Tuesday in L.A.