1 of 24 Steve Granitz/WireImage.com
Katherine Heigl exudes old Hollywood glam in this gorgeous gown.
2 of 24 Gregg DeGuire/WireImage.com
America Ferrera couldn't look less Ugly in this voluptuous green gown.
3 of 24 Steve Granitz/WireImage.com
Kristen Bell looks electric in this blue frock, even without her special sizzling power.
4 of 24 Kevin Mazur/WireImage.com
Who says she's lost her mind Christina Applegate was smart to choose this silky number!
5 of 24 Jeffrey Mayer/WireImage.com
Felicity Huffman is one sizzling Housewife!
6 of 24 Rabbani Solimene/WireImage.com
Before her pregnancy, Jennifer Lopez looked svelte and sexy in this head-turning number.
7 of 24 Jeffrey Mayer/WireImage.com
Grey's star Chandra Wilson ditches her scrubs for this dazzling dress.
8 of 24 Albert L. Ortega/WireImage.com
Hayden Panettiere certainly makes a powerful statement in this fun frock.
9 of 24 Jeffrey Mayer/WireImage.com
Hardly looking Desperate, Eva Longoria shines in this sparkly dress!
10 of 24 Jamie McCarthy/WireImage.com
Debra Messing does this risque gown justice with her bright hair as the perfect accessory.
11 of 24 Jamie McCarthy/WireImage.com
Eva Mendes showed the cameras how to work a bright color.
12 of 24 Steve Granitz/WireImage.com
Looking royally fabulous, Helen Mirren glides on the red carpet in this flowing frock.
13 of 24 Steve Granitz/WireImage.com
Dreamgirl Jennifer Hudson certainly fits the part in this flattering gown.
14 of 24 Kevin Mazur/WireImage.com
Teri Hatcher ditches Desperate for divine with this soft yet noticeable look.
15 of 24 John Sciulli/WireImage.com
Julia Louis-Dreyfus makes a bold statement in this exquisite strapless gown.
16 of 24 Kevin Mazur/WireImage.com
Rachel Weisz is a flawless vision in this unique strapless number.
17 of 24 Jamie McCarthy/WireImage.com
Camilla Belle poses in a fashion masterpiece.
18 of 24 Steve Granitz/WireImage.com
Queen Latifah knows how to get attention on the red carpet with her classically beautiful choices!
19 of 24 Steve Granitz/WireImage.com
Reese Witherspoon pulls off purple with this magnificent layered dress.
20 of 24 Jeffrey Mayer/WireImage.com
Grey's doc Sandra Oh shows off her figure in this simply elegant gown.
21 of 24 Steve Granitz/WireImage.com
Sara Ramirez looks fierce and fiery in this red-hot number.
22 of 24 Albert L. Ortega/WireImage.com
Tawny Cypress brightens up the red carpet in this standout gown.
23 of 24 Steve Granitz/WireImage.com
Alicia Keys dons a sexy-glam number at the American Music Awards.
24 of 24 Steve Granitz/WireImage.com
Emily Blunt glows in this demure, classy gown.