WORST: We love Paris Hilton’s Future Heretics t-shirt, but the rest of her ensemble was questionable, especially her 6126 leggings (Lindsay Lohan’s line!), which featured offset knee pads!

WORST: Meagan Good’s rolled up denim shorts didn’t look edgy enough for the rest of her tough girl look.

BEST: Carrie Underwood brightened up the 6th Annual Pedigree Adoption Drive in her bright yellow top, getting off on the right foot in sassy Stuart Weitzman denim sandals.

BEST: Emily Blunt hit her local grocery store, looking pretty in plaid.

WORST: Jessica Lowndes took a misstep a la mode, wearing too-clunky shoes with black jeggings and a striped top at MuchOnDemand in Canada.

BEST: Lindsay Lohan looked feminine in a fab floral dress on a shopping in Glendale.

WORST: Bobby Trendy towed over Joan Rivers in Beverly Hills, who coordinated her red heels to her blazer.

BEST: Kylie Minogue was feeling the love in London, wearing a sassy top with a structured peacoat, carrying her Dolce & Gabbana Miss Sicily It Bag.

WORST: Paulina Rubio went over the top, pairing cropped cowgirl boots with short shorts, a plaid shirt, black vest and sparkly scarves.

WORST: Fergie didn’t leave much to the imagination, performing on stage in Los Angeles showing her fans her “inner self.”

BEST: Justin Bieber looked stylish and hip, wearing a khaki jacket and jeans with grey kicks.

BEST: Selena Gomez looked polished and put together in Madrid, wearing a blazer over a long blouse and jeans.

BEST: Katherine Heigl looked casually chic on the streets of Los Angeles, wearing a cream, short-sleeved sweater over a bright, blue blouse with her J Brand 912 pencil leg jeans cuffed.

BEST: Vanessa Hudgens rocked a Boho chic look, rocking a tan, fringed bag with all black threads.

BEST: Lauren Conrad showed off her timeless style, wearing her Chanel flap bag with grey and black elements.