Man's Best Friend

What more does a 22-year-old pop star need than a fancy coffee drink and her fluffy new pup? In Britney Spears' case, only fiancee Kevin Federline, who stands just out of camera range on the couple's Sept. 2 shopping excursion in Los Angeles. Spears is busy working on her greatest hits album, due in November.

Tom Cruise poses with fans in London at the Sept. 2 premiere of Collateral, which has earned more than $80 million in the U.S. alone. Cruise later travelled across Europe to support the killer-for-hire thriller at the Venice Film Festival.

Nick Lachey had to sit this one out: Jessica Simpson performs a sultry duet with Spanish flamenco singer David Bisbal at the Latin Grammys in Los Angeles on Wednesday. Simpson left the Spanish to Bisbal: She sang her portion of the romantic ballad "Angels" in English.

Lindsay Lohan and boyfriend Wilmer Valderrama live la vida loca backstage at the Latin Grammys in Los Angeles with actor Cheech Marin.

Now that's an entrance. Latin Grammys host George Lopez (dressed in a traditional Mexican charro outfit) tries to rein in the audience with his horse-drawn antics at the festivities in Los Angeles.

Shania Twain, sporting a chic new 'do, takes a break while shooting one of her two videos for "Party for Two," the first single off her greatest hits album (due Nov. 9), Friday in London. The song was recorded twice, with one version featuring Sugar Ray's Mark McGrath and the other country's Billy Currington.

Josh Hartnett keeps close company with Wicker Park costar Diane Kruger (Troy) at the post-premiere party Monday in Hollywood for the thriller, which hits theaters Friday.

Staunch Democrat Ben Affleck gives a nod to the Big Apple – host to the Republican National Convention this week – as he runs errands in Beverly Hills on Tuesday.

He's a winner in her eyes: Ashley Judd congratulates racecar-driver husband Dario Franchitti on Sunday after his third-place finish at the Firestone Indy 225 in Nazareth, Pa.

Karaoke? Not quite: Star Trek actors (and Priceline pitchmen) Leonard Nimoy and William Shatner get a few laughs in while addressing fans Sunday at a Hollywood tribute to costar James Doohan (who played Scotty). Two days later, Doohan, who was recently diagnosed with Alzheimer's disease, received his star on the Hollywood Walk of Fame.

Brad Pitt and Benicio Del Toro pal around Monday in Los Angeles at the post-premiere party for the thriller Criminal, which hits theaters Sept. 10. Neither actor is in the movie: They were just party guests.

Queen Latifah prepares to boogie – board, that is – and enjoy the weather in Miami Beach on Saturday.

Beyoncé keeps the beat with local musical legend Guido Lembo at the Taverna Anema E Core on the Italian island of Capri.

Actress Marlee Matlin gives Craig Kilborn a farewell massage during his final Late Late Show appearance on Friday. The host bid goodbye to his show after five years on the air. "My job is done here. It's time to move on," he said during the broadcast.

Carlos Santana treats the audience to his 1999 hit song "Smooth" during a tribute in which he was named the Latin Recording Academy's Person of the Year in Los Angeles on Monday.