ET is taking a look back at the couple's nearly two-decade-long relationship.
Nicole Richie's kids make their red carpet debut at the premiere of 'Don't Tell Mom the Babysitter's Dead,' in theaters on April 12.
ET chats with Lionel Richie at the premiere of ‘Don’t Tell Mom the Babysitter's Dead,’ which hits theaters on April 12.
The couple have kept their children, Harlow and Sparrow, largely out of the spotlight.
The couple share son Sparrow and discuss having bird names in the family.
The actress also poses with Joel Madden's wife, Nicole Richie.
Nicole Richie celebrated Mother’s Day by sharing a family photo featuring a rare sighting of her 15-year-old daughter, Harlow.
Richie shares Harlow with husband Joel Madden.
Madden and his wife, Nicole Richie, are neighbors with Duff and Koma.
'The whole world’s mind was blown for a hot second' when the two couples went on a group date.
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Joel Madden chats with ET at the 2022 MTV Video Music Awards, which aired on Sunday.
Duff and Madden split in 2006. The rocker started dating Richie shortly after.
The 49-year-old actress opened up about meeting her husband for the first time.
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