Star Tracks: Friday, November 5, 2010

It's going to be a good 30th year for Vanessa Minnillo! The smiley star flaunts her new engagement ring while celebrating her upcoming birthday with fiancé Nick Lachey (not pictured) and friends in Mexico on Thursday.

Safety first! Back in Budapest, Hungary, following his New York Megamind premiere, Brad Pitt takes his little helmet head, 4-year-old Shiloh, to a local park on Friday for some zip-lining fun with siblings Zahara and Pax and mom Angelina Jolie (not pictured).

Taylor Swift – whose latest album, Speak Now, is topping the charts – takes a break from date nights with Jake Gyllenhaal on Thursday to greet a bevy of her blonde fans outside MuchMusic headquarters in Toronto, Canada.

Looking every bit the biker, George Clooney hops on board his motorcycle Thursday after meeting up with The Men Who Stare at Goats pal Grant Heslov (not pictured) in Santa Monica, Calif.

Birthday boy Matthew McConaughey rings in his 41st with leading lady Camila Alves by his side Thursday in Santa Monica, Calif.

Days after a business dinner with Leonardo DiCaprio and Baz Luhrmann, Blake Lively is back in celebratory mode, bringing some sparkle to the Realm Boutique opening bash in New York on Thursday.

Hilary Duff flashes a smile over her shoulder Thursday while attending Lucky magazine's Lucky Shops VIP Night in New York.

Jake Gyllenhaal cracks a smile Thursday at the AFI Fest presented by Audi premiere of his racy new film, Love and Other Drugs, in Hollywood. "It's racy but then I think it becomes about real intimacy between two people and I don’t think you see that that often in a romantic comedy," he told PEOPLE.

A dressed-up Sarah Jessica Parker fends off the winter chill on Thursday, covering up at the World of Gloria Vanderbilt book party at Ralph Lauren's new women's boutique in N.Y.C.

Rihanna gets into the holiday spirit Thursday, turning on the Christmas lights at London's Westfield Shopping Centre, where she also launched her new album, Loud.

Kendra Wilkinson braves the chilly weather in New York, where she's promoting Sunday's season 3 premiere of her E! reality show. "Brrr its cold here in NYC!" she Tweeted on Thursday.

A beaming Tim McGraw announces his partnership with hunger charity Feeding America during a press conference at New York's Ritz-Carlton Hotel on Thursday.

Who's his personal stylist? Demi Moore helps hubby Ashton Kutcher look his best during the launch of the U.N. Trust Fund for Victims of Trafficking at the United Nations' New York headquarters on Thursday.

Mike "The Situation" Sorrentino signs copies of his new book, Here's the Situation: A Guide to Creeping on Chicks, Avoiding Grenades, and Getting in Your GTL on the Jersey Shore, Thursday at a Staten Island, N.Y., Barnes amp Noble.

She's baaack! Lauren Conrad gets ready for her reality TV close-up while filming her new MTV show with a pal in Westwood, Calif., on Thursday.

30 Rock star Tracy Morgan makes a funny point while stopping by The Late Show with David Letterman Thursday in New York.