Sofia Vergara in a custom Vera Wang peacock strapless mermaid gown and Harry Winston jewelry.

Mila Kunis in Christian Dior's Spring 2012 collection and Cartier jewelry

Jessica Alba in a Gucci gown.

Helen Mirren, 66, in a Badgley Mischka gown, Fred Leighton earrings

Natalie Portman in Lanvin., Jimmy Choo heels and Harry Winston jewelry.

Dianna Agron in a Giles Deacon dress and Fred Leighton jewelry.

Jessica Biel in Elie Saab Fall 2011 Couture collection.

Ariel Winter, 13, in a Dolce & Gabbana tea length gown

Evan Rachel Wood in a Gucci Premiere gown.

Jessica Chastain in a Givenchy gown and Harry Winston jewelry.

Kate Winslet in a Jenny Packham gown and Fred Leighton jewelry.

Paula Patton in a Monique Lhuillier gown and Kwiat jewelry.

Kate Beckinsale in a Roberto Cavalli gown.

Reese Witherspoon in a Zac Posen gown

Emma Stone in Lanvin.

Lea Michele in a Marchesa Spring 2012 collection gown.

Angelina Jolie in an Atelier Versace gown.

Debra Messing in a Monique Lhuillier gown

Laura Dern in a gown by Andrew Gn.'s 2012 Resort collection

Kelly Osbourne in a Zac Posen gown.

Madonna in a Reem Acra gown.

Mary J. Blige in a Michael Kors halter gown

Nicole Richie in a Julien Macdonald Spring 2012 collection gown.

Maria Menounos

Sarah Hyland in a vintage lace Dolce & Gabbana gown.

Zooey Deschanel in a silk Prada gown.

Elle Macpherson in a Zac Posen gown.

Charlize Theron in Dior Haute Couture and vintage Cartier jewels.

Diane Lane in a Reem Acra design.