Your morning fashion and beauty report: PETA proposes a replacement for the fur hats worn by Britain's royal guards. Katy Perry signs a fragrance deal. And happy birthday, Oscar!

It seems like every day another celeb launches a fragrance. Now it's Katy Perry. [WWD] (Subscription required.)

There are trends we just hold off on writing about, but this one seems to be gaining some momentum: padded panties to round out your booty. Full-figured celebrities (like Kim Kardashian) are inspiring fans to give up the Spanx and plump up the backside. [Wall Street Journal]

Lulu Kennedy, whose Fashion East has promoted young London designers, plans to launch a new line, Lulu & Co., made up of key pieces from Fashion East's talent stable. [WWD]

Online fashion shopping sites have been a hit with women. Now cyberspace is trying to woo male shoppers too. [Wall Street Journal]

It's hard to measure how green a piece of clothing is, despite some brands' claims. But there could be some clarity on the horizon: A group of 100 apparel and shoe manufacturers are experimenting with a software tool to help them measure the environmental impact of their wares. [Wall Street Journal]

Michelle Obama hosted the Smithsonian's Cooper-Hewitt National Design Awards luncheon on Wednesday and seemed thrilled to sit next to "Project Runway's" Tim Gunn. [Huffington Post] The awards recognize outstanding designs in a number of fields. But Rodarte's Kate and Laura Mulleavy, winners of the fashion design category, had to cancel at the last minute -- by e-mail -- due to a "family obligation." [WWD] 

Oscar de la Renta turns 78 on Thursday. Many happy returns! [FabSugar]

The Brazilian Blowout, which All the Rage previewed at the International Salon and Spa Expo in February, is one of the hottest hair treatments around right now for frizzy-haired gals who want to de-frizz for awhile. [StyleList]

PETA proposal: Replace the bearskin hats worn by Britain's Army Guards for two centuries with synthetic headgear designed by Stella McCartney. [Telegraph]

-- Susan Denley

Photo: Katy Perry. Credit: Bob Chamberlin / Los Angeles Times