BEST: Parisian pretty! Kristen Stewart his the Balenciaga show at Paris Fashion Week, looking EuroChic in leather pants, a floral top and open-toed booties.

WORST: I see London, I see France, I see Katy Perry’s underpants! The sassy singer hit Paris Fashion Week, colorfully clad and showing off her undergarments in a super sheer, mint green dress.

WACKY: Richie Rich took ‘poop pants’ to the extreme at the 8th Annual Kellner Family Pediatric Liver Disease Foundation Gala, looking sort of like munchkin in his clashing fashion.

BEST: Burgundy babe Salma Hayek showed off her covetable curves at the Balenciaga fashion show at Paris Fashion Week, finishing off the look with caramel-colored stilettos and cat-eye shades.

WORST: Florence Welch experienced a blooming blunder at the NME Awards in London, wearing a matchy-matchy print suit.

WACKY: The Dictator, aka Sacha Baron Cohen, who claimed to be wearing John Galliano and Kmart socks, definitely shook things up on the red carpet of the 2012 Academy Awards, spilling ashes all over Ryan Seacrest!

WORST: 45-year-old Helena Bonham Carter stepped out inLondon, finishing off fashion flop with orthopedic tennis shoes!

BEST: Olivia Wilde sassed up the streets of Beverly Hills, pairing a powerfully patterned Ella Moss maxi dress with a sleek leather jacket, a Gucci bag and Converse kicks.

WORST: Samantha Morton hit the UK premiere of John Carter, experiencing a caftan catastrophe with her brightly hued and unflatteringlyoversized dress.

BEST: Michelle Williams radiated at the 2012 Academy Awards in a coral colored Louis Vuitton strapless gown, adding Christian Louboutin heels, a Bottega Venetta bag and Forevermark and Fred Leighton jewels.

WORST: Fly Girl or fashion faux pas? Jennifer Lopez looked more Grammys than Oscars at the 2012 Academy Awards in a very sexy and revealingZuhair Murad gown, getting blinged out to the max with Lorraine Schwartz bling. This work may have looked somewhere else, but the AcademyAwards is about glamour, NOT showing off your hot bod.

WACKY: Not your typical Ivy League attire! Lady Gaga headed to Harvard to launch her Born This Way Foundation, wearing a crazy headpiece with a Prabal Gurung leather sleeved coat over a Sally LaPointe dress.

WORST: Talk about a stud dud! Rihanna hit the streets of Paris wearing studded denim shorts with adenim shirt, baseball cap and the highest boots we’ve ever seen.

BEST: If it ain’t Baroque! Jessica Chastain really had her “WOW” moment at the 2012 Academy Awards, hitting the carpet in a stunning black and bronze Alexander McQueen, which she finished off with Harry Winston jewels.

BEST: The Help star Octavia Spencer sparkled at the 2012 Academy Awards in a figure-flattering Tadashi Shoji beaded gown, adding Jimmy Choo heels, a Judith Leiber clutch and Neil Lane bling.

BEST: Sometimes the simplest of gowns are the sexiest! Gwyneth Paltrow donned an elegant white Tom Ford gown with a matching cape at the 2012 Academy Awards. The look was very understated for the star, who usually likes to get all the attention. She finished it off with Jimmy Choo heels and Anna Hujewels.

BEST: The leg that will go down in history! Angelina Jolie showed off her skinny stems at the 2012 Academy Awards in a super slitty, black velvet Atelier Versace strapless gown, drenching herself in over 60 carats and $2.5 million dollars of Neil Lane jewels!

BEST: Rosie Huntington-Whiteley glammed up the Vanity Fair Oscar Party,showing off her famous figure in a red hot Antonio Berardi dress.

BEST: Rooney Mara looked angelic at the 2012 Academy Awards in a white lace Givenchy gown, which was both simple and sexy. She finished off the look with a Fred Leighton ring.