Ashlee Simpson

Master of Ceremonies/recording artist Ashlee Simpson speaks during the Asian Society Southern California Gala Dinner at the Beverly Hilton Hotel on May 16, 2007 in Beverly Hills, Calif.

Ashlee Simpson arrives for the Clive Davis Pre-Grammy Party in Beverly Hills, Calif., Saturday, Feb. 10, 2007.

Ashlee Simpson arrives at the 2006 American Music Awards in Los Angeles, on Tuesday, Nov. 21, 2006.

Ashlee Simpson arrives at the 10-year anniversary all-star performance of the Broadway revival of "Chicago" Nov. 14, 2006.

Singer Ashlee Simpson attends Genetic Denim's one-year anniversary at AREA Nightclub on November 9, 2006 in Los Angeles, Calif.

American singer Ashlee Simpson poses for photographers to celebrate the launch of her Skechers Campaign at Skechers Oxford Street store on October 25, 2006 in London, England.

Ashlee Simpson poses for photographers at the 5th Annual Family Television Awards in Beverly Hills, Calif., Aug. 14, 2003.

Sisters Jessica Simpson, left, and Ashlee Simpson pose backstage at Toopalooza, Oct. 11, 2003, in Carlsbad, Calif.

Ashlee Simpson is shown at the 11th Annual Rock The Vote Awards held at the Hollywood Palladium in Los Angeles, Feb. 7, 2004.

Ashlee Simpson arrives at the MTV Movie Awards at Sony Pictures Studio in Culver City, Calif., June 5, 2004.

Ashlee Simpson attends Entertainment Weekly's The Must List: The 137 People and Things We Love This Summer Issue launch party, held at CroBar, June 17, 2004, in New York.

Ashlee Simpson, with parents Joe Simpson and Tina Simpson, arrives at the Mean Magazine Record Release Party, celebrating her debut album, "Autobiography," held at Concorde in Hollywood, Calif., July 23, 2004.

Ashlee Simpson performs "Pieces of Me" at the 2004 Teen Choice Awards in Universal City, Calif., Aug. 8, 2004.

Ashlee Simpson arrives at the MTV Video Music Awards in Miami, Aug. 29, 2004.

Ashlee Simpson and Ryan Cabrera arrive at the 2004 MTV Video Music Awards at the American Airlines Arena Aug. 29, 2004, in Miami.

Ashlee Simpson bowls at the Maxim & Bloomingdales Bowl to Benefit Rock the Vote event, held at Lucky Strike Lanes in Los Angeles, Sept. 28, 2004.