Spotted!

Kristin Cavallari (pictured) wearing a Gucci bikini while hosting the day at LIQUID Pool Lounge at ARIA Resort & Casino in Las Vegas before a night on the town, starting at UNION Restaurant with a group of 10 friends followed by dancing at The Bank Nightclub.

Nicole Richie wearing Hudson’s jean jacket as she was leaving driving school in L.A. last Wednesday.

On April 20 Zoe Saldana arrives in Neil Lane Jewelry at the premiere of The Losers.

She wore a giant gold and black onyx cocktail ring, 2 gold and diamond rings and black diamond stud earrings.

Tommy Lee picking up a Sugar Factory Couture Lollipop at Mirage Hotel in Las Vegas after getting a tattoo done by artist Mario Barth.

Hayden Panettiere at the Global Home Tree Earth Day reception hosted by James Cameron.

Drew Barrymore dancing Bardot's Hollywood's Tuesday night, "Mr. Black" party.

Carrie Underwood dining at Sushi Roku in the Caesars Palace Forum Shops.

Kris Allen relaxing with friends over a glass of red wine at the top of W Washington’s POV rooftop bar overlooking White House.

Kristin Cavallari trying on Diesel’s plastic aviator sunglasses at the Diesel "Be Stupid" brunch at Coachella.

Taryn Manning DJing at NYC hotspot, The Eldridge.

Terrence Howard taking his daughter to a business lunch at OYA in Washington DC.

Zoe Kravitz, Jesse McCartney, Ezra Miller and Judah Friedlander celebrating the Tribeca Film Festival premiere of "Beware The Gonzo" at the MOFILM after-party at RdV in New York City.

Fergie at the MAC Cosmetics party in L.A. to celebrate the brands' upcoming Alice + Olivia collection.

Reba McEntire at Grand Wailea in Maui getting the six-hands massage at the resort's Spa Grande.

Julianne Moore teaming up with the Children's Health Fund and The Clorox Company to bring health care to kids in need with a "Connect Kids to Care," event in NYC.

Tyra Banks at Titanic: The Artifact Exhibition inside Luxor Hotel & Casino in Las Vegas.

Jessica Alba joining director Ice Cube to celebrate the Tribeca Film Festival premiere of his film Straight Outta LA presented by ESPN and starring Snoop Dogg at Marquee.

Texan hottie Melissa Rycroft (pictured) caught in the rain during a visit to NYC late last week while wearing the new Rockport “Audry Strappy” sandal.

Adrian Grenier at Vanity in the Hard Rock Hotel & Casino in Las Vegas.

Nicole Scherzinger and Cheryl Burke getting Fake Bake airbrushes at their homes the day before DWTS taping.

Lauren Conrad and Jasmine Dustin laughing and smiling while wine tasting at Saddle Rock Winery in Malibu.

Alessandra Ambrosio, Miranda Kerr and Candice Swanepoel, celebrating the launch of Victoria's Secret Beauty's Heavenly Flowers fragrance collection at the Victoria's Secret SoHo store.

Nick Jonas at Menchie’s Sherman Oaks last week.

Paris & Nicky Hilton party hopping in Las Vegas where Lil Jon was spinning and guests tell OK!  “Everyone was doing shots of TY KU Liqueur and Grey Goose vodka in the DJ booth.

Jayde Nicole, Hugh Hefner, and Jessica Hall filming an upcoming reality show at the Playboy Mansion.

The Luxe Beauty Team doing the make-up TV favorites including Amy Poehler and Jack McBrayer at the NBC Summer Press Day in Pasedena, CA.

Real Housewives of New York's Ramona Singer and her daughter getting their makeup done at Kimara Ahnert’s studio in NYC.

Taylor Swift wearing Hudson Jeggings during her performance at the 2010 ACM Awards on April 18.

On April 19 Juliette Lewis arrives in Neil Lane Jewelry at the Origins Earth Month Benefit. She wore diamond and gold bangles and earrings.

Last Wednesday, Leah Remini arrives in Neil Lane Jewelry at the premiere of The Back-up Plan.  She wore long coral, gold and diamond earrings and stacks of gold and citrine bangles.

Last night Leslie Bibb attends the world premiere of Iron Man 2 wearing Neil Lane’s 50 carat citrine, ruby, diamond & gold cocktail ring and citrine & gold chandelier earrings.

Last night Lea Michele arrives in Neil Lane Jewelry at An Evening With Glee.

She wore diamond & platinum bangles, a diamond ring and diamond & platinum earrings.