1/24
John Shearer/Getty Images
Lady Gaga
2/24
Jason Merritt/Getty Images
Taylor Swift
3/24
Kevin Mazur/Getty Images
M.I.A.
______
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4/24
Kevin Mazur/Getty Images
Katy Perry
5/24
AP/Chris Pizzello
Rihanna
6/24
John Shearer/Getty Images
Carrie Underwood
7/24
Nelly Furtado
8/24
Gregg DeGuire/Getty Images
Fergie
9/24
Lester Cohen/Getty Images
Christina Milian
10/24
Steve Granitz/WireImage.com
Gwen Stefani
11/24
Lester Cohen/Getty Images
Sheryl Crow
12/24
Steven Tackeff / Zuma Press
Beyoncé
13/24
Steve Granitz/Getty Images
Christina Aguilera
14/24
Gregg DeGuire/WireImage.com
Alicia Keys
15/24
SGranitz/Getty Images
Kylie Minogue
16/24
Jim Spellman/Getty Images
Avril Lavigne
17/24
Kevin Mazur/WireImage.com
Pink
18/24
SGranitz/Getty Images
Britney Spears
19/24
Zuma Press
Macy Gray
20/24
KMazur/Getty Images
Toni Braxton
21/24
Jeff Vespa/WireImage.com
Jennifer Lopez
22/24
SGranitz/Getty Images
Missy Elliott
23/24
Jim Smeal/Getty Images
Jada Pinkett Smith
24/24
SGranitz/Getty Images
Madonna
Think this is ugly? Get a look at 2009's Wackiest Red Carpet Looks!