LOS ANGELES (AP) — Nicole Richie and Joel Madden have gone from reality star and rocker to husband and wife.

Richie’s publicist Nicole Perna says in an e-mail to The Associated Press Sunday that the 29-year-old socialite and her longtime boyfriend Madden were married Saturday in Los Angeles.

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The 31-year-old Madden fronts the band Good Charlotte.

The couple, who dated for more than four years, have a 2-year-old daughter, Harlow Winter Kate, and a 15-month-old son, Sparrow Midnight.

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Richie won national attention costarring on TV’s “The Simple Life” with Paris Hilton and has since been a staple in the tabloids. She has recently taken to writing books and designing clothes.

Richie has her own fashion line, Winter Kate, and a shoe and accessories line, House of Harlow.

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