By Leah Ornstein – Radar Style & Beauty Editor

Just because it was a holiday weekend, it doesn’t mean that Hollywood’s hottest stars didn’t get dressed to rock and shock! From the red carpet to the streets, RadarOnline.com has photos of the best, worst & wackiest celebrity fashions of Thanksgiving weekend.

Rosie Huntington-Whiteley showed off her perfect 10 body for the grand opening of the Marks & Spencer boutique in Paris. The Victoria’s Secret Angel turned Transformers star was dressed to thrill in a black and white skintight number from the brand’s collection, which she paired with Christian Louboutin Pigalle pumps.

PHOTOS: The Weekend’s Best, Worst & Wackiest Fashions

Talk about a braless blunder!  LeAnn Rimes spent the day with her family in Malibu shopping till she dropped in a skintight tank dress, but the country star apparently forgot to put on her undergarments!

As for wacky, Johnny Weir dressed up like the ultimate ice queen for the Macy’s Thanksgiving Day Parade in NYC.

PHOTOS: Lady In Lace & 90210 Nip Out In The Best & Worst

Other style scores included Penelope Cruz in L’Wren Scott, Salma Hayek in Gucci and Delta Goodrem in Lisa Ho.

For all the rest of the best, worst & wackiest fashions of the weekend, click here.

RELATED GALLERIES:

PHOTOS: Pre-Holiday Haute And Not In The Best & Worst

PHOTOS: The Best, Worst & Wackiest Fashions Of The Week

PHOTOS: Stars Steam Up The GQ Men Of The Year Awards

PHOTOS: Modern Family Glamour Vs. X-Factor Genie In The Best & Worst