By Leah Ornstein - Breaking Celebrity News Features Editor

Not every star got it right on the fashion front this week!

From the red carpet of the hottest events like the GQ Men of the Year Awards to the star studded premiere of The Twilight Saga: Breaking Dawn Part 2, Hollywood’s hottest celebrities were dressed to rock and shock in the best, worst and wackiest fashions – and Breaking Celebrity News has all the wardrobe winners and style sinners in our weekly feature.

It was a vampy night at the Twilight premiere, where Kristen Stewart dared to bare her body in a scandalous Zuhair Murad lace paneled strapless bustier gown, while Ashley Greene went for an angelic look with a custom Donna Karan one-shoulder number blinged out with Bulgari diamonds and Nikki Reed looked svelte in a sleek Versace gown. Aussie actress Teresa Palmer was not as fortunate on the fashion front, showing way too much skin in a super sexy and revealing Emilio Pucci number, while Elle Fanning donned some pretty wacky platform sandals as part of her blush-toned Prada ensemble.

At GQ’s sizzling soiree, Rihanna kept things simply sexy in a Calvin Klein slip dress paired with Manolo Blahnik sandals and Neil Lane bling, while hot mama Jennie Garth showed off her fab figure in an exposed Ted Baker zipper peplum dress.

Tyra Banks was not-so fashionably fierce for a Top Model at the Gl