Britney Spears and Jason Alexander: January 3, 2004/Britney Spears and Kevin Federline: September 18, 2004
The 2004 saw Britney Spears getting married, twice. Twelve hours after her Las Vegas wedding with Jason Alexander on January 3, 2004, Britney's marriage was annulled. The couple apparently “took a joke too far by getting married." She later married Kevin Federline in September.