Spears began a relationship with Kevin Federline and in July 2004, announced her engagement three months after they met.On the night of September 18 2004, Spears married Federline in a surprise, non-denominational ceremony at a residence in Studio City, California, filing legal papers on October 6 2004. Spears gave birth to her first child, Sean Preston Federline, on September 14 2005 in Santa Monica, California by a scheduled caesarean section. Just two days shy of Sean's first birthday, Spears gave birth to her second son Jayden James Federline on September 12 2006 in Los Angeles, California