BEST/WORST: We love Edie Falco’s neck-embellished LBD, but what is going on with her hair? The Nurse Betty star stepped out to the opening night after party for This Wide Night, in desperate need of a hair and makeup team.

WORST: Keri Hilson showed off her playful style sense at the Belvedere Pink Grapefruit launch in NYC, wear a super cute jumpsuit, but destroyed it will an awkward hat.

BEST/WORST: We love Mary-Kate’s rocking look, but Ashley looked a tad frumpy in baggy threads. MK paired Givenchy ruched leather wedge sandals with black leggings and a blazer from the same collection, showing off her petite figure at the Free Arts NYC 11th Annual Art Auction

BEST: Hilary Rhoda was classily coutured at the Free Arts NYC 11th Annual Art Auction, pairing an animal print top with a high-waisted black skirt.

WORST: Russell Brand arrived at LAX, wearing what appears to be, his fiancée, Katy Perry’s jacket!

BEST: Stacy Keibler showed off her fab figure in an uber-mini red shift at the 7th Annual Inspiration Awards in Beverly Hills.

WORST: Audrey Kitching looked wild, to say the least at KIISFM’s Wango Tango concert.

WORST: Always thinking outside the box, Ke$ha decided to carry a doll head instead of a purse to KIISFM’s Wango Tango.

BEST: Sarah Jessica Parker dominated the Sex and the City 2 press conference, wearing a gorgeous look from the Elie Saab Spring 2010 Couture collection.

BEST: Kim Cattrall looked simply sexy in a one-shouldered navy frock heading to a Sex and the City 2 press conference at Bergdorf Goodman.

BEST: Cynthia Nixon brightened up the streets of NYC in a floral frock. The Sexy star was heading to a Sex and the City 2 press conference at Bergdorf Goodman in the orange, yellow and green satin dress.

BEST: Ryan Gosling was an optically illusionist at LAX airport, wearing a crazily strped sweater with slender jeans and boots.

BEST: Paris Hilton was Grand Prix gorgeous, rocking a multi-colored cocktail dress to the world famous race in Monaco.

BEST: Rihanna rocked The Billy Jean jacket in grey over all-black threads in England.

BEST: Audrina knows that a flirty floral romper is perfect for a spring afternoon! The hills star rocked the skimpy number with Christian Louboutin cork heels.

WORST: Naveen Andrews looked Lost during an afternoon of shopping in Malibu, dressed for a snowstorm!

WORST: While her husband Michael Douglas was busy promoting Wall Street 2 in Cannes, Catherine Zeta-Jones experienced a fashion disaster in NYC. The Broadway babe wore a hippie-chic dress with ballet flats and a floppy hat, carrying an overly grommeted bag, for a totally clashing look.

BEST: Cassie Scerbo has something in common with Mariah Carey: they both love butterflies! The gorgeous young star fluttered down the red carpet of the Disney ABC Television Group Summer Press Junket in a butterfly hemmed mini.

BEST: Demi Lovato loves her Rock & Republic Paulina Heels! The Disney star hit the Disney ABC Television Group Summer Press Junket hot-to-trot, wearing the chic heels with a skintight black skirt and grey top.

BEST: Lily Allen looked chic on the streets of London, wearing Yves Saint Laurent Stretch Leather Platform Sandals with skinny jeans, an embellished blazer and carrying the Chanel Maxi flap bag.