Britney and Jamie Lynn Spears (21 images)

SLP2000071609 - 16 JULY 2000 - MARYLAND HEIGHTS, MISSOURI, USA: Singer Britany Spears performs to a sold out crowd at the Riverport Amphitheater, July 16. jr/bg/Bill Greenblatt UPI

Britney Spears reacts as a throng of media surround her car while departing a Los Angeles court following a hearing to work out custody arrangements with her ex-husband Kevin Federline for their two young sons in Los Angeles on October 26, 2007. (UPI Photo/Jim Ruymen).

Actress Jamie Lynn Spears arrives as a guest for the premiere of the motion picture "Charlotte's Web", at the Arclight Cinerama Dome in Los Angeles on December 10, 2006. (UPI Photo/Jim Ruymen)

Britney Spears holds her dog 'Bit Bit' as she arrives for the 2004 Billboard Music Awards at MGM Grand in Las Vegas, December 8, 2004. (UPI Photo/Roger Williams)