Event: iHeartRadio Ultimate Pool Party 2013
Hair: blonde fauxhawk
Accessories: red nails, a couple of rings, earrings, and a bracelet
Dress: vintage Versace
Shoes: Made by Jean-Michel Cazabat
Event: CNN Heroes 2011
Hair: Long, brown braid
Accessories: diamond bracelets and earrings made by Neil Lane, dark blue nails
Dress: Made by Roberto Cavalli
Shoes: Made by Alaia
Event: AMAs 2008
Hair: brown, messy updo
Accessories: a couple of rings, long necklace, earrings: "Kara" by Kara Ross
Dress: Made by Marchesa
Shoes: Made by Giuseppe Zanotti
Event: Oscars 2010
Hair: brown, messy updo
Accessories: big bracelet, a couple rings, earrings, maroon nails
Dress: strapless Jenny Packham gown
Shoes: Unknown
Event: iHeartRadio Musical Festival 2012
Hair: short and blonde
Accessories: gold nose ring, a ring, bracelets, lots of round earrings, belt made by Moschino
Outfit: silver pencil skirt and black crop top
Shoes: Cheetah heels
Event: MTV EMAs 2010
Hair: long, wavy, brown and blonde
Accessories: lots of gold bracelets, black nails, I think she's wearing gold earrings but I can't see them
Dress: made by Dolce&Gabbana
Shoes: Made by Christian Loubutin
Update June 2018
Event: 2018 Grammys
Hair: blonde, long, wavy
Accessories: rings, earrings, white flower
Outfit: made by Jean Paul Gaultier Couture
Shoes: black heels with a silver heel
Event: 2013 Teen Choice Awards
Hair: blonde, faux-hawk
Accessories: red nail polish, rings, bracelets, earrings
Outfit: made by Saint Laurent
Shoes: made by Saint Laurent
Event: 2012 Billboard Music Awards
Hair: brunette with blonde ombré, medium cut, hairstyle with lots of volume
Accessories: jewels made by Jacquie Aiche
Outfit: made by Jean Paul Gaultier
Shoes: made by Christian Louboutin
*Overall my absolute favorite look is her 2010 Oscars look. I love everything about this look and she is just absolutely gorgeous.
*