Married dancer/rapper Kevin Federline, 28, in 2004.

Britney Spears filed for divorce Tuesday from Kevin Federline, officials said. The Los Angeles County Superior Court filing cites "irreconcilable differences," said court spokeswoman Kathy Roberts.

Spears, 24, married dancer/rapper Kevin Federline, 28, in 2004. They have a 1-year-old son, Sean Preston, and an infant son who was born Sept. 12. The divorce papers identify the baby as Jayden James Federline.

A message left with Spears' attorney, Laura Wasser, was not immediately returned.

Spears married Federline eight months after ending a 55-hour Las Vegas marriage to her childhood friend, Jason Alexander. Her second marriage has provided endless fodder for tabloids, which have speculated frequently that the union was in trouble.

Calls left for Federline's representatives also were not immediately returned.

AP LogoCopyright 2006 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.