Hilary Duff and Matthew Koma dressed up as her ex Joel Madden and his twin brother, Benji Madden, for Halloween ...

Lizzie McGuire star Hilary Duff dated musician Joel Madden for two years until 2006, before going on to wed singer-songwriter ...

Hilary Duff and husband Matthew Koma dressed up as her ex Joel Madden and his brother Benji Madden for a Halloween dinner with Joel and wife Nicole Richie.

Hilary Duff and her husband Matthew Koma absolutely trolled their friends Nicole Richie and Joel Madden on Wednesday night.

Hilary Duff and husband Matthew Koma dressed up as her ex Joel Madden and his brother Benji Madden for a Halloween dinner ...

Matthew Koma revealed that he and wife Hilary Duff dressed up as the Madden brothers for Halloween. On his Instagram story, ...

Married actress Hilary Duff has seemingly maintained a close bond with former flame Joel Madden and his new wife, Nicole Richie ...

Matthew Koma hilariously dressed up as wife Hilary Duff's ex Joel Madden for a Halloween double date with Joel and his wife ...

They split in 2006, and a month later Madden began dating his future wife, “The Simple Life” alum Nicole Richie. Duff and ...