Ryan Gosling stepped out for the LA premiere of his thriller Drive last night in LA, looking hot and hip in a skinny Burberry suit paired with bright red socks. The movie, helmed by director Nicolas Winding Refn, is already garnering great critical buzz and made its West coast debut as part of the Los Angeles Film Festival. Carey Mulligan couldn't attend the gala event given her busy schedule in the off-Broadway play Through a Glass Darkly, but another of Ryan's leading ladies, Christina Hendricks, did join him on the red carpet. We spoke with Ryan about why he enjoyed shooting an action project following Blue Valentine and his admiration for both of his female costars. He also joked about his collaboration with Nicolas. He said: "Did he say that we professionally mated in my car and made a movie baby? I guess it's true. I wouldn't put it like that, but it's too late now." Ryan made a quick exit after the screening, and was seen heading out of LAX with his dog George in his arms late that night. Fans will have to wait several months to see him as a Hollywood stunt driver who picks up some shady work on the side in Drive. The action movie doesn't hit theaters until September, but in the meantime, Ryan won't be completely absent from the big screen; his comedy Crazy, Stupid, Love is out July 29.

Ryan Gosling had his dog, George, in his arms at LAX last night. He headed out of town with his furry best friend and his assistant after attending the premiere of Drive during the LA Film Festival yesterday. Ryan's costar Christina Hendricks was on hand for the event, though his other leading lady, Carey Mulligan, couldn't make the West Coast trip since she's busy performing in the off-Broadway play Through a Glass Darkly in NYC. Ryan also handled press duties without Carey at the Cannes Film Festival, but he'll soon switch gears to promote his other project, Crazy, Stupid, Love. He stars in the romantic comedy with Emma Stone and Steve Carell, and the threesome took the stage at the MTV Movie Awards to kick off promotions for the movie ahead of its July release.

Pippa Middleton participated in the Highland Cross challenge in Scotland today. The event goes from the West to the East Coast and includes a 20-mile run and 30-mile bike ride. Pippa and her friends had to be invited to the race, which they arrived at by helicopter. The sister of the Duchess of Cambridge also finished a triathlon in England earlier this month, though recently she's been trading her running shoes for heels to attend events. She and Kate went to a pal's wedding last weekend and Pippa joined her family for a party at the Goring Hotel. Pippa was also spotted on a casual date with her ex George Percy following the news that she had split with longtime boyfriend Alex Loudon.

It was another big week in celebrity news! We unveiled the 2011 PopSugar 100 and revealed that Johnny Depp took this year's number one spot. Meanwhile, Angelina Jolie and Brad Pitt took their kids on a trip that combined work and play in Malta, Ryan Reynolds and Blake Lively teamed up to premiere Green Lantern in LA, and Prince William took care of royal duties with Kate Middleton in England— click through to see more of the week's top stories and most memorable celebrity snaps!

Channing Tatum and Jonah Hill filmed 21 Jump Street in New Orleans on Thursday. The costars were decked out in tuxes for the scene after being spotted on set in police uniforms just last month. Their just-announced leading lady, The Office's Ellie Kemper, wasn't on hand for the fun. Channing's mom Kay and his wife Jenna Dewan were there over the past week, though. Jenna is already back in LA, where she made an appearance at the Playboy Mansion. She's starring in the new TV series, The Playboy Club, which will air on NBC this Fall. Channing has his own project coming out soon since Haywire is set to be released in August, and Jonah's front and center in the first Moneyball trailer with Brad Pitt.

Heidi Klum rocked some New Balance sneakers from her own line as she arrived back at her hotel in NYC yesterday afternoon with her kids Leni and Henry. The Klum-Samuels have been in the Big Apple for the past week so that Heidi could work on her new endeavor with AOL and also attend amfAR's benefit at the Museum of Modern Art. In the meantime, busy Heidi's prepping for the upcoming release of her perfume Shine. She spoke about her multiple endeavors with WWD, but revealed she's most looking forward to a vacation with her family. Heidi Klum said of her Summer plans, "To go on a great holiday with my family. We’re going on a boat to Italy. I love when the kids can go and eat sea urchin."