Spotted!

Mario Lopez celebrated his 36th birthday in Sin City at The Bank Nightclub. Aubrey O'Day was on hand to present the former star with his special birthday cake featuring photos of him with Saved By The Bell castmates.

Joe Francis in Washington D..C at the Equality March with a group of 20 friends, including CAA A-list manager Kevin Huvane marching 2.33 miles alongside Sex and the City actress Cynthia Nixon.

Jessica Alba dropping by HUB51 after landing in Chicago to grab a late dinner.  With two friends the actress celebrated her latest role in Little Fockers by eating Ahi Tuna Poke, Grilled Fish Tacos, Guacamole, and the restaurant’s infamous Pulled Chicken Nachos.

The Killers celebrating their last U.S. stop on their world concert with an impromptu performance in The Florida Room at Delano on Saturday night.

Saturday Night Live star Kenan Thompson attending the Hennessy Fight Night at the 944 Lounge in LA with an unidentified hottie! They two were showing major PDA by holding hands and making out all night.

Singer Estelle having a mystery dinner date at Japonais in NYC. The two were cuddling in a corner table in the lounge after requesting to be seated somewhere "private." Estelle was drinking lychee martinis and he was drinking scotch on the rocks all night long. Since Estelle is a regular she took the lead and ordered all of her favorite dishes for the table such as Kani Nigiri, Soft Shell Crab Roll, Crispy Shrimp and Salmon Roll and Hawaiian Hamachi. After dinner the pair ordered one more cocktail then quickly snuck out together.

Malin Akerman shopping at Sunglass Hut and picking up a pair of the brand new Versace Vanitas Bow sunglasses

Emile Hirsch at the Art of Elysium Genesis event in LA.

Tom Hanks and Rita Wilson at the L.A. Philharmonic's Inaugural Gala.

Little Fockers co-stars Jessica Alba and Ben Stiller dining at Sunda New Asian restaurant in Chicago.

Megan Fox and Brian Austin Green eating cupcakes at Sprinkles Beverly Hills.

Victoria Beckham taking her kids to San Diego for a weekend that included staying at the Hard Rock Hotel San Diego, breakfast at Maryjane's (she had coffee and a bowl of berries), pooltime at Float and Pinkberry for dessert.

Kate Beckinsale buying her dog treats at The Wagging Tail on Montana Avenue, Santa Monica.

Lucy Liu at the Hennessy Artistry Series Finale at Terminal 5 in NYC.

Kristin Cavallari hosting a party at LAX Nightclub in Las Vegas.

Audrina Patridge at The Surfrider Keeper of the Coast Awards at the California Science Center Wallis Annenberg Building in L.A.

Lauren Conrad backstage at the Hollywood Style Awards picking up goodies from Sebastian Professional, Fake Bake and Dawn. Lauren even jumped in on Brody Jenner's Lockerz.com interview and asked him to help her pick out an Express necklace.

Celeb guests on Mo'Nique's new show such as Queen Latifah, Usher and Jermaine Dupri picking up  gift baskets from Carol's Daughter.

Josie Bissett enjoying a Cold Stone Cookies and Creamery cake while celebrating her birthday at home in Seattle.

Dennis Quaid and his band The Sharks performing at Aqua Restaurant & Lounge in Beverly Hills

Kim Kardashian running into her good friend Melody Thornton at the Hollywood Style Awards hosted by Sebastian Professional. Kim  apologized for missing Melody’s birthday party because of her sister’s wedding.

Emmy Rossum and Adam Duritz chatting with chefs at Georgica Restaurant and Lounge in East Hampton.

Ashley Judd and husband Dario Franchitti celebrating his win of the Indy 300 and overall IRL championship at W South Beach.