Jessica and Ashley Simpson (36 images)

Singer and actress Jessica Simpson (L) arrives with her mother Tina for the taping of the VH1 Big in '05 Awards at Sony Pictures Studios in Culver City, California December 3, 2005. .(UPI Photo/Jim Ruymen)

Ashlee Simpson arrives for "The Event to Prevent" Benefit for the Candie's Foundation for the Prevention of Teenage Pregnancy at Gotham Hall in New York on May 3, 2005. (UPI Photo/Laura Cavanaugh)

Singer Ashlee Simpson (R) and Braxton Olita arrive at the 2005 Billboard Music Awards, held at the MGM Grand in Las Vegas, NV, December 6, 2005. (UPI Photo/Roger Williams).

Operation Smile International Youth Ambassador and singer Jessica Simpson participates in a news conference on Capitol Hill in Washington on March 16, 2006. Simpson is a spokesperson for the organization which helps children and young adults get treatment for cleft lips, cleft palates and other deformities. (UPI Photo/Roger L. Wollenberg)