According to her biography "Together", her record label forced her to have an abortion when she was pregnant with a child from her relationship to Robbie Williams.
Her mother, Mary, is British and her father, Kenbut, is Canadian.
Has two children: son Gene Gallagher (b. July 2, 2001) with ex-husband Liam Gallagher, and daughter Skipper Hudson Haines (b. March 22, 2020) with boyfriend Stephen Haines (they are dating since 2019).