Hilary Duff's Husband Matthew Koma Plays in Her Ex Joel Madden's Band Good Charlotte as She Attends the Show

Hilary Duff and Husband Matthew Koma Attend Ex Joel Madden’s Concert

Hilary Duff watches her ex-boyfriend Joel Madden perform with Good Charlotte in Las Vegas as she poses for a selfie with his wife Nicole Richie

Sofia Richie and sister Nicole lead star-studded support alongside Cameron Diaz for Benji and Joel Madden's band Good Charlotte at When We Were Young festival