Star Tracks: Tuesday, July 7, 2009

She must be a satisfied customer! Madonna steps out in good spirits after dining with pal Stella McCartney (not pictured) at London's Locanda Locatelli Restaurant on Monday.

A beaming Jennifer Garner is happy to get her day under way, heading to a business meeting in Brentwood, Calif., on Monday.

On a break from filming her spy thriller Salt, Angelina Jolie plays another role – hands-on mom! – while reportedly taking daughters Shiloh, 3, and Zahara, 4, to a dance class in Studio City, Calif., on Monday.

With his helmet in hand, The Proposal star Ryan Reynolds heads out for a ride on his motorcycle in Los Angeles on Monday.

Hangover hunk Bradley Cooper waits for his luggage at Los Angeles International Airport after the Fourth of July weekend. The globetrotting star has been spotted recently in Paris and New York with Case 39 costar Renée Zellweger.

Halle Berry takes 15-month-old daughter Nahla out for dinner in Miami on Monday. The two recently spent the day at SeaWorld in San Diego, where Berry hugged famed whale Shamu.

Black Eyed Peas frontwoman Fergie gets sultry – check out her dominatrix-esque ensemble! – while performing with her band at the 43rd Montreux Jazz Festival in Switzerland on Monday.

Kevin Federline enjoys a family field trip to a local theater in Paris on Monday with girlfriend Victoria Prince and sons Sean Preston, 3, and Jayden James, 2. The family is in town to support Britney Spears as she performs three dates in the French capital.

Trading Nate's private-school uniform for a more casual look, Chace Crawford gets back to work Monday on season three of Gossip Girl at a New York City heliport. PEOPLE's reigning Hottest Bachelor will be joined this fall by a new costar: Hilary Duff!

Meanwhile, Crawford's ex-Gossip Girl love interest, Taylor Momsen, debuts some longer locks – but keeps the stylish summer outfits coming – while heading to the show's New York set Monday with costar Connor Paolo.

Going incognito in shades, Robert Pattinson covers his trademark baby blues while continuing to film Remember Me in New York City on Monday.

Putting her best Poker Face forward, Lady Gaga rocks out in a silver mini-dress and sky-high heels while performing at London club G-A-Y at Heaven on Sunday.

They're back at it! Harry Potter and the Half-Blood Prince stars (from left) Rupert Grint – who recently recovered from a bout with swine flu – Emma Watson and Daniel Radcliffe hit the red carpet at a press event in London on Monday. The trio premieres the sixth installment of the popular fantasy series in London tonight.

Megan Fox flies under the radar Monday, sporting a hat, shades and some casual sweats while preparing for her flight at London's Heathrow Airport.

See more stars and their airport style.

Marion Cotillard sure represents well! The Public Enemies star – and face of the Lady Dior handbag – cuts a chic figure in her black dress Monday at the Christian Dior runway show during Paris's Haute Couture Fashion Week.