Spotted!

Kim and Kourtney Kardashian were spotted at LAX nightclub on May 7 filming CIROC and E!'s "Drive Safe" Public Service Campaign, which launches this summer. Kim was extremely nice and quickly took photos with some of the extra's on the set as she rushed back in her trailer to change and leave.

Ryan Cabrera leaving a cab with a mystery woman in NYC.

Maxim Chmerkovskiy and Karina Smirnoff stopped by the On-the-Go Mistura Beauty event at the Gavert Atelier Salon on May 9 giving the stylists a break by trying his hand at straightening Karina's hair himself.

Nikki Blonski, Rachel Dratch and Michael Urie dancing together to Kings Of Leon during the Ugly Betty wrap party at The Gates in NYC.

Julianne Hough and Chuck Wicks dancing to "Poker Face" by Lady Gaga and nibbling on miniature red velvet cupcakes at the launch party for DeLeon Tequila Cinco de Mayo at the Chateau Marmont.

Justin Timblerlake and Jessica Biel went bowling at Lucky Strike Lanes and Luxe Lounge in NYC with SNL-er Kenan Thompson as well as Gossip Girl couple Blake Lively and Penn Badgley. Jessica and Justin bowled for about 30 minutes and gave each other high fives when they did well.

Leighton Meester and Emmy Rossum dancing together at MyHouse in L.A.

Lil' Kim still dancing with her Dancing with the Stars partner Derek Hough at LIV Nightclub in Miami.

Katy Perry shopping at What Comes Around Goes Around boutique in Soho New York. Shoppers tell OK! “She was really cute and excitable.” Katy got a Lanai cotton eyelet romper from the WCAGA collection in black, a custom vintage "Roadie" T-shirt, and a men's Matsue shirt in purple from the men's WCAGA collection... for beau Travis McCoy?

Jennifer Esposito hanging out with a group of girlfriends at bar 108 in NYC.

Taryn Manning and Vanessa Minnillo hanging out with in VIP at the DJ booth with promoter Steve Ponce at Ecco Ultra Lounge where DJ Cobra was spinning mashups of electro, hip hop, and 80’s music.

The Kress played host to the Grey's Anatomy wrap party. The cast and crew gathered in the restaurant for a gag reel put together by the producers. Chandra Wilson gave a moving toast to the entire cast and crew and talked about what an amazing five seasons they have had together. James Pickens Jr., Sara Ramirez and Jessica Capshaw were all present.

Elisabeth Hasselbeck was the honorary chair at the Alzheimer Association's 7th Annual Junior Committee Gala at Tenjune New York City. Hasselbeck had a mommy glow about her in a BCBG black maxi dress.

Kelly Osborne and her boyfriend shopping at Beckley Boutique on Melrose.

Jennifer Aniston and co-star Steve Zahn clinking Svedka Vodka specialty cocktail glasses while celebrating their new film Management with a party hosted by The Cinema Society, at the Landmark Sunshine Cinema in New York. Chace Crawford, Molly Sims, Heather Graham, Milla Jovovich, Olivia Palermo, Rob Thomas, Tom Everett Scott, Bradley Cooper, Mario Batali, Brett Ratner, Genevieve Jones, Tommy and Andy Hilfiger, Nicole Miller, Jill Martin, Mike Heller, Agyness Deyn, Richie Rich and Jennifer Esposito among many others screened the film and sipped on specialty Svedka_Grl cocktails.

Shannen Dougherty at the Flirtexting book Launch at Owl’s Lab in NYC.

Sharon Stone dining with her agent at STK L.A. Stone, dressed from head to toe in black, kept things simple with sparkling water and a bone-in rib eye.

Mary-Kate Olsen swapping tables to cozy up to designer Matthew Williamson at his launch party for H&M in NYC.

Gavin DeGraw performing at W Atlanta-Midtown for a crowd that included Real Housewives' Kelly Bensimon, NeNe Leakes and Lisa Wu-Hartell.

Thalia wearing a gorgeous Christian Siriano-designed dress from his Fall 2009 Ready To Wear collection at the Met Gala.

Hottie Kamar de los Reyes joining The Biggest Loser trainers at Feeding America's Pound for Pound Challenge event at Sunset Towers in L.A.

U.S. Olympic Wrestler and 2008 Gold Medalist, Henry Cejudo along with U.S. Olympic Wrestler and 2004 Silver Medalist Jamill Kelly, partied at The Chandelier Room at the W Hoboken. The two sat at a VIP table, at EMM Group and Tenjune owners' new venue, surrounded by a bevy of females and sipped on Belvedere cocktails.