Katy Perry arrives at the 53rd annual Grammy Awards on...

Katy Perry arrives at the 53rd annual Grammy Awards on Sunday, Feb. 13, 2011, in Los Angeles. (AP Photo/Chris Pizzello) Credit: AP Photo/Chris Pizzello

Lady Gaga wasn't the only one who took risks on Sunday night's Grammy red carpet. Play it safe? Not these celebs, who ruled in their out-of-the box fashions - and raised a few eyebrows.

Katy Perry accessorized the jeweled bodice of her iridescent Giorgio Armani dress with wings of white feathers. Hayley Williams of Paramore wore feathers, too - in a bright pink ring around the bottom of her black sequined minidress with see-through stomach meshing.

Rihanna also went sheer - or seminude depending on who you ask - save for horizontal stripes of white ruffles that barely covered her essentials in an off-the-shoulder Jean Paul Gaultier number. Nicki Minaj, meanwhile, was covered from head to toe in leopard by Givenchy - from her bride of Frankenstein platinum blond hair with one black streak to her voluminous long-sleeved leopard dress with matching leggings and lace-up boots.

Thigh-flashing might as well have been considered bling, because the stars showed them off just like prized jewels. Both Jennifer Lopez and Ciara did just that in Emilio Pucci - J.Lo in a silver flecked mini, Ciara in a navy and white gown with some serious cutouts.

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