Joel Madden and Nicole Richie

Nicole Richie and Joel Madden have tied the knot, People reports.

Richie, 29, and Madden, 30, were wed Saturday in front of family and friends at the Beverly Hills estate of Richie's father, Lionel Richie. Benji Madden, Joel's twin brother and Good Charlotte bandmate, acted as best man, according to E! Online.

Nicole Richie and Joel Madden engaged

Also in attendance: A trained elephant, which was seen being lead into the Richie estate. Further details of the nuptials were not revealed.

Richie, who recently returned to NBC's Chuck for a second guest stint, announced her engagement to Madden in February on The Late Show with David Letterman.

Together since 2006, Richie and Madden have two children together, Harlow and Sparrow.