Britney Spears: The Early Years

Britney Spears makes a surprise appearance at the 2006 American Music Awards, Nov. 21, 2006, at the Shrine Auditorium in Los Angeles. It was her first public appearance since she announced her impending divorce.

In this photo released by CBS, pop singer Britney Spears shares a laugh with host David Letterman on the set of "The Late Show with David Letterman" May 9, 2006 in New York. Spears announced on the show that she and husband Kevin Federline are expecting their second child.

Married singers Britney Spears and Kevin Federline appear backstage at the 8th Annual Teen Choice Awards at the Gibson Amphitheatre on Aug. 20, 2006, in Universal City, Calif. The two were married in fall of 2004 and have two children together.

Singer Britney Spears and husband Kevin Federline kiss as they arrive at the 2004 Billboard Music Awards on December 8, 2004, at the MGM Grand Garden Arena, in Las Vegas, Nevada. The two were married in a private ceremony in 2004. Spears' first marriage, to childhood friend Jason Alexander, was annulled after two days.

Musician Britney Spears arrives at a party for the 2006 Grammy Nominees with Kanye West, hosted By Verizon Wireless and Rolling Stone Magazine, at the Avalon Hollywood, on Feb. 6, 2006, in Hollywood, Calif.

Britney Spears performs on the Mall in Washington during "NFL Kickoff Live 2003," Sept. 4, 2003, in Washington.

Louisiana native Britney Spears throws some beads from a French Quarter balcony in New Orleans on Monday Feb. 27, 2006. It was the first Mardi Gras since Hurricane Katrina devastated the Big Easy.

A pregnant Britney Spears arrives at the premiere of Warner Bros. Picture's "Charlie and the Chocolate Factory" at the Chinese Theater on July 10, 2005, in Los Angeles.

Singer Britney Spears arrives at the first-ever "MTV Bash" in honor of Carson Daly at the Palladium in Los Angeles, Calif., June 28, 2003, left. At right, Spears arrives for the Diesel Style Lab Spring 2004 show, Sept. 17, 2003 in New York.

Singer Britney Spears and actor Will Ferrell share a laugh onstage during Nickelodeon's 16th Annual Kids' Choice Awards in Santa Monica, Calif., April 12, 2003.

Britney Spears, who is nominated for multiple awards, arrives for the MTV Video Music Awards at New York's Radio City Music Hall, Aug. 29, 2002.

Singer Britney Spears, right, and her sister, Jamie Lynn Spears. joke as they present at the Teen Choice Awards 2002 in Los Angeles, Aug. 4, 2002.

Britney Spears attends the premiere of her first movie, "Crossroads," in Sydney, Australia, April 2002.

Britney Spears, right, who starred in the film "Crossroads," shares a laugh with her then-boyfriend Justin Timberlake of the pop group 'N Sync at the premiere of the film at the Grauman's Chinese Theater in Hollywood, Feb. 11, 2002.

Singer Britney Spears performs during her "Britney 2001 Tour" in Anaheim, Calif., Nov. 20, 2001. The tour ended Dec. 19 in Miami.

Britney Spears performs with a snake during the finale of the 2001 MTV Video Music Awards, Sept. 6, 2001, at New York's Metropolitan Opera House.

What a doll! Britney Spears poses with a doll of her likeness from Play Along Toys that was predicted to climb to the top of the charts, Oct. 11, 1999.

Singer Britney Spears poses in front of the Eiffel Tower, May 5, 2000, in Paris. Spears performed there that night.

Britney Spears kicks off her "Baby One More Time" tour at the Pompano Beach Amphitheater, June 28, 1999, in Pompano Beach, Fla. Spears, from Kentwood, La., toured through mid September.

Britney Spears at the 26th American Music Awards Jan. 11, 1999.