BEST: Kate Beckinsale killed it in Donna Karan at the London premiere of Total Recall, pairing her dazzling strapless gown with Rona Pfeiffer bling and Ferragamo heels.

BEST: Eva Longoria looked red hot in an ASOS cocktail dress, which she paired with attention grabbing Charlotte Olympia platforms for dinner at Beso.

WORST: Jennifer Garner failed to pull off the urban cowgirl look, wearing a black and white No. 21 ensemble with YSL heels for a New York City screening of The Odd Life of Timothy Green.

WORST: We weren’t loving Heidi Klum’s MICHAEL Michael Kors leopard look at her Truly Scrumptious Collection for Babies R Us unveiling in New York City.

BEST: Camilla Belle looked beautiful in Jason Wu at the Samsung Galaxy Note 10.1 Event in New York City, pairing her adorable frockwith a Jimmy Choo clutch and sandals.

BEST: Tika Sumpter put herself on the a la mode map, dropping jaws at the Sparkle premiere in a dazzling and shimmering gold Bill Blass gown.

BEST: Kristen Bell flaunted her enviable figure at the Los Angeles premiere of Hit and Run, wearing a Jenny Packham jumpsuit.

BEST: Jordin Sparks showed off her slimmed down figure at the New York screening of Sparkle, wearing a red Alice + Olivia peplum dress with matching Giuseppe Zanotti heels.

WORST: Chloe Sevigny wore a cute Versace Jeans Couture frock to the New York premiere of Lawless, but fudged up with her black Chloe Sevigny for Opening Ceremony footwear and matching Opening Ceremony satchel.

BEST: Kelly Rowland hit the high note at the David Jones Spring/Summer 2012/2012 Season Launch, showing off her tiny waist in a Victoria Beckham frock, which she paired with Christian Louboutin pumps.

BEST: Jessica Chastain looked flirty and fabulous at the New York premiere of Lawless, wearing a flamenco fashioned Yves Saint Laurent vintage frock from Decades, paired with YSL heels and Tom Binns bracelets.

BEST: Beyonce showed off her white hot bod in an Alexander McQueen bell-sleeved cocktail dress at the United Nations General Assembly Hall, pairing the number with Ruthie Davis heels.

WORST: Kelly Osbourne matched her heels and Vivienne Westwood Purple Label look to her purple hair at the Samsung Galaxy Note 10.1 Event in New York City.

BEST: Marvelous Malin Ackerman! The beautiful blonde donned a Vena Cava ensemble to the brand’s GenArt and Barney’s New York bash at the Chateau Marmont in Los Angeles.

BEST: Leslie Bibb looked lovely at the launch of Clos du Bois Rouge wine in New York City, pairing a Halston Heritage ensemble with nude heels and House of Lavande bracelets.

WORST: Elizabeth Olsen’s hipster look at the Los Angeles premiere of Red Hook Summer wasn’t so haute.

WORST: Nicole Scherzinger hit will.i.am’s party in Hollywood, missing the a la mode mark with her Nikki Rich leather dress andintense lace-up boots.

WORST: Christina Aguilera hit a press event for The Voice, showing off purple tipped locks and her curvy body in black leggings and a putrid print dress.

BEST: Jennie Garth showed off her sexy single new look, pairing Level 99 skinnies with a sheer white blouse and sexy sandals for a day of traveling with her kids.

WORST: Nice orange pants, Rod Stewart! The aging rocker paired a blue gingham shirt with matching kicks and a yellow belt for a coffee run in Los Angeles.

WACKY: Nicki Minaj sassed up the stage of The Today Show, wearing a bright red catsuit with matching boots.

WORST: Looking quite boobiful, Janice Dickinson hit the town in Los Angeles showing off her tacky fashion faux pas.

BEST: Jessica Biel looked sexy in a nude lace Dolce & Gabbana cocktail dress at the Dublin premiere after-party for Total Recall.