Roselyn Sanchez (Without a Trace) arrives at the Harold and Kumar Escape from Guantanamo Bay Premiere at the Arclight Cinerama Dome on April 17, 2008 in Hollywood, California.

Kal Penn, David Krumholtz, John Cho and Neil Patrick Harris attend the Harold and Kumar Escape From Guantanamo Bay premiere after party at The Green Door in Hollywood, California.

Actress Mary-Kate Olsen does her best "hippie muumuu on acid" imitation at "New Year's in April: A Fool's Fete" at the Mandarin Oriental on April 16, 2008, in New York City.

Actress Emmy Rossum shines in this gorgeous low-cut gown at "New Year's in April: A Fool's Fete" at the Mandarin Oriental on April 16, 2008, in New York City.

Alicia Witt and Leelee Sobieski laugh it up at the world premiere of 88 Minutes on April 16, 2008, at Planet Hollywood Resort Casino in Las Vegas, Nevada.

Rachel Bilson, sporting a blonde wig, chills out between takes New York, I Love You, on location on April 16, 2008.

Super-tan actress Eva Amurri and ghostly Evan Rachel Wood arrive at the screening of The Life Before Her Eyes, hosted by the Cinema Society and Nicole Miller, at the IFC Center on April 15, 2008, in New York City.

Tim Robbins, Susan Sarandon and son Miles Robbins arrive at Sarandon's daughter's (Eva Amurri) premiere of The Life Before Her Eyes at the IFC Center on April 15, 2008, in New York City.

Isla Fisher was caught on location sporting this colorful (awful) ensemble for her film Confessions of a Shopaholic on April 15, 2008, in New York City.

Jennifer Lopez looked very spring-like in her yellow minidress as she and hubby Marc Anthony left the Waverly Inn on April 14, 2008, in New York City.

Acting royalty Meryl Streep strikes a pose at the 35th Annual Film Society of Lincoln Center Gala Tribute to herself on April 14, 2008, in New York City.

Miley Cyrus and Brandi Cyrus walk the line on the red carpet of the 2008 CMT Music Awards on April 14, 2008, in Nashville, Tennessee.

Julianne Hough takes a night off from Dancing with the Stars to attend the 2008 CMT Music Awards on April 14, 2008, in Nashville, Tennessee.

American Idol turned country superstar Carrie Underwood looks fit and fab at the 2008 CMT Music Awards.