Rock star and mom Gwen Stefani stands out in polka dots and her signature red lipstick, dropping her boys off at school in Los Angeles on January 23.

Zac Efron braves some of the coldest temperatures in NYC in years, wearing earmuffs while working on his new film ‘Are We Officially Dating?’ on January 23.

It’s good to be Hilary Duff! The ‘Cheaper By The Dozen’ star was spotted in a happy mood in Beverly Hills on January 23.

Paris Hilton and her boyfriend River Viiperi out shopping at Fred Segal in West Hollywood, CA on January 22.

Hulk Hogan leaves the ITV studios in London, England on January 22.

Halle Berry is all smiles as she picks up her daughter Nahla from school on January 22, in Los Angeles, CA.

Kate Beckinsale out shopping on Melrose Ave in West Hollywood, CA on January 22.

Mark Wahlberg out grocery shopping at Bristol Farms in West Hollywood, CA on January 22.

Jamie Lee Curtis catches a flight out of the Salt Lake City airport after attending the Sundance Film Festival in Salt Lake City, Utah on January 22.

Brandi Glanville arrives at Los Angeles airport holding a copy of her self-authored book “Drinking and Tweeting and other blunders”.

Selena Gomez visits a doctor’s office for a checkup on January 22 in Beverly Hills, CA.

Natalie Portman visits a clinic in Santa Monica, CA on January 21.

Miranda Kerr stops by Diamond Nails & Spa in West Hollywood, CA on January 21.

Lady GaGa out shopping at Kitson Kids before her concert tonight in West Hollywood, CA on January 21.

Rachel Zoe spends the day out and about with her husband Rodger and their son Skyler in Beverly Hills, CA on January 21.

Dakota Fanning arrives in Salt Lake City, Utah to attend the Sundance Film Festival on January 21.

Newly single pop star Britney Spears indulges in some retail therapy in Thousand Oaks, CA on January 21.

U.S. President Barack Obama speaks during swearing-in ceremonies on the West front of the U.S Capitol in Washington, January 21, 2013.

Mario Lopez and Courtney Mazza at the The TR Suites sponsored by Lenovo Powered by IZEA and Duracell Powermat on Friday, January 18th in Park City, Utah.

Matthew McConaughey showed up to Kari Feinstein’s Sundance Style Lounge wearing a bright red jacket and sunglasses, where he picked up hand treatments from Bioxidea, and skincare from Moor and Resvology.

James Franco enjoying Icelandic Glacial Water taking photos with a fan at Sundance

Paris Hilton attends Day 2 of the Kari Feinstein Style Lounge on January 19, 2013 in Park City, Utah.

The Hobbit: There And Back Again actor Orlando Bloom and his dog stop by a friend’s house in Beverly Hills, California on January 20, 2013.

Paris Hilton pinning her name on “The Wall of Encouragement” with SENSA Weight-Loss System attending the TR Luxury Suite at SUNDANCE on Saturday, January 19 in Park City, Utah.

AnnaLynne McCord blowing her fans kisses at the TR Luxury Suite sponsored Gillette and Duracell Power Mat while attending the TR Luxury Suite at SUNDANCE on Saturday, January 19th in Park City, Utah.

‘Real Housewives of Orange County’ star Alexis Bellino celebrates her birthday at Andrea’s, the new hotspot in Encore at Wynn Las Vegas on January 19.

90210 bombshell AnnaLynne McCord came out to check out the New Era Chalet at Village At the Lift in Park City, during the 2013 Sundance Film Festival.

Kourtney Kardashian makes her first solo appearance at Kardashian Khaos at The Mirage Hotel and Casino for her Kardazzle makeup palettes from Khroma Beauty in Las Vegas, Nevada, Saturday, January 19.

Academy Award winning actress, Octavia Spencer, visited Gillette’s Kiss & Tell Live Social Experiment yesterday at Sundance and told everyone that she prefers a smooth-shaven smooch!

Newlyweds Mario Lopez and Courtney Mazza pose in the Miami Lounge photobooth during the 2013 Sundance Film Festival.

Adrienne Bailon attends the celebration of HSN Digital Redesign at Marquee New York on January 16, 2013 in New York City.

Multi-tasking Gabrielle Union stops by Target in Miami Beach to pick up fresh flowers and new Vidal Sassoon Pro Series Flexible Hold Hairspray.

Sporty and sexy! Victoria’s Secret Angels Adriana Lima and Erin Heatherton appeared at the ultimate Victoria’s Secret Herald Square store and shared secrets to their fitness success with The VS Sport collection on Tuesday, January 15.

Watch out, Stacy Keibler! George Clooney and Amy Poehler got cozy while toasting with champagne by Moët & Chandon who celebrated their 22nd year as the official champagne of the Golden Globes. On the red carpet, several Golden Globe nominees took part in Moët & Chandon’s philanthropic initiative “Toast4aCause” program, where they were invited to raise a toast with Moët & Chandon Imperial minis in support of their favorite charities.

Krysten Ritter looking poised and turning heads while getting her hair styled at Colgate’s Pre Golden Globe Beauty Bar with Joico’s Power Spray on Saturday, January 12, 2013 at Nine Zero One Salon.

Even supermodels chow down on burgers and fries! Heidi Klum hit The Weinstein Company’s 2013 Golden Globe Awards After Party presented by Chopard, HP, Laura Mercier, Lexus, Marie Claire, and Yucaipa Films, where she indulged in Fatburger french fries

Nicole Kidman was giddy with excitement when Olympic swimmer Missy Franklin arrived on the golden-carpet at the same time at Equinox Sports Club for a pre Golden Globes party.

Stacy Keibler, wearing Forevermark Jewelry, arrives at the 70th Annual Golden Globe Awards held at The Beverly Hilton Hotel on January 13.

Miss New York Mallory Hagan is crowned the 2013 Miss America at PH Live inside Planet Hollywood Resort and Casino in Las Vegas on January 12.

Proud and happy parents Drew Barrymore and Will Kopelman take baby Olive out for a stroll in NYC on January 12.

‘Hunger Games’ star Jennifer Lawrence shows off her gorgeous gams at The 38th Annual LAFCA Awards in Los Angeles on January 12.

Glamorous couple Nicole Kidman and Keith Urban pose together at Gold Meets Gold Event, held at the Equinox Sports Club in West Los Angeles on January 12.

Coco is very va-va-voom in a tight leather dress at the World Mixed Martial Arts Awards 2013, held at the Hard Rock Hotel and Casino in Las Vegas.

Carmen Electra is a vixen on the red carpet, celebrating iconic celebrity and fashion photographers Markus + Indrani’s book launch in Los Angeles on January 10.

Brett Davern and Beau Mirchoff from MTV’s hit show ‘Awkward’ kick off their “guys weekend” at The Palazzo and The Venetian Las Vegas.

Dr. Dre at the Beats by Dr. Dre CES after-party at Marquee Nightclub held at their The Cosmopolitan of Las Vegas on January 10.

Big Ang made a BIG appearance at a premiere party held at her bar, The Drunken Monkey, for VH1′s Mob Wives on Sunday, January 6.

Mom-to-be Jenna Dewan proudly shows off her growing baby bump, while vacationing with husband Channing Tatum in St Barts on December 29, 2012.

Rumer Willis and her boyfriend Jayson Blair headed south of the border to Villa del Palmar Loreto for a romantic vacation. The duo enjoyed massages at Sabila Spa and the chef, Roberto, prepared a special dinner for them at the fine dining restaurant, Danzante.

Fresh off the stage at the Peoples’ Choice Awards, Alicia Keys, wowed a crowd with a private performance hosted by Monster DNA at the Paris Hotel. Her two biggest fans, husband Swizz Beatz and son Egypt, were front and center cheering her on, this girl was definitely on fire, taking two stages in one night in two different states!

Tim Tebow was spotted at TAO Thursday night after unveiling his new line of headphones with SOUL Electronics at CES earlier in the day. The New York Jets quarterback was joined by his brother Robby for dinner at the Asian Bistro with Soul Electronics CEO Lan Kennedy.

WWE Superstars Dolph Ziggler and WWE Vickie Guerrero pose during an autograph signing event for fans sponsored by CLEAR, Friday, Jan. 18, 2013 in the City of Industry, Calif.