By Leah Ornstein - Breaking Celebrity News Style & Beauty Editor

From the Brit Awards in London to all the swanky pre-Academy Awards events in Hollywood, stars were out in full fashion force dressed in winning and sinning style – and Breaking Celebrity News has all the photos in our weekly fashion feature.

Emma Stone may not have snagged an Academy Award nomination for her leading role in The Help, but the ravishing redhead is still showing up for her Best Supporting Actress nominee costars! The actress stunned at the 5th Annual ESSENCE Black Women in Hollywood Luncheon on Thursday, wearing an Elie Saab 2012 Couture embroidered dress with Brian Atwood heels, a Ferragamo bag and Van Cleef & Arpels jewelry.

Rihanna may have snagged a score at the 2012 Brit Awards in her sexy Givenchy Couture gown, but it didn’t make up for the fact that she hit the streets of London wearing a sweatshirt dress with stilettos!

As for wacky, Katy Perry got back into her Smurf character, hitting the Katy Perry Eyelashes by Eylure launch in Los Angeles, pairing her bright blue hair with a Roland Mouret cocktail dress with chunky blue platforms.