Race to the altar! Kim Kardashian, Britney Spears, Reese Witherspoon and others wasted no time before saying "I do"
In June 2004, Britney Spears and her backup dancer beau, Kevin Federline, confirmed their engagement. They held their wedding ceremony on Sept. 18, 2004 but weren't officially married until Oct. 6 due to pre-nup negotiations. (The duo ultimately divorced in July 2007.)