Collins met Phil Collins when the performed in the same London production, when they were both children. The pair started dating when they were 14, and dated until she moved to Canada, with her family, when she was 18 years old. During the time the pair lived in London Collins occasionally performed as a backup singer in band Collins was in, when he was a teenager.
She appeared in a London production of The Prime of Miss Jean Brodie, where Vanessa Redgrave performed the lead role. Collins describes being influenced by Redgrave's feminism, stating she was the first woman she ever met who did not wear a bra.
Andrea and Phil re-united when his band's world tour took him to Vancouver, when they were 24. The pair married, and Phil Collins adopted her daughter Joely, and the pair had a child together, Simon.
Andrea described Collins leaving for a two year world tour mere days after Simon's birth. She described Collins imposing stains on their marriage with multiple affairs.
- Jack Boulware (2000-08-22). "Save the Trees". Salon magazine. Archived from the original on 2020-10-11. https://web.archive.org/web/20201011045835/https://www.salon.com/2000/08/22/calendar_3/. "By exposing her nipples, Andrea Collins hopes to stop the logging of Saltspring Island, a community of pristine forest 33 miles southwest of Vancouver, B.C. This unorthodox plan centers on the publication of a calendar that features Canadian women posing nude in the great outdoors. In addition to the ex-Mrs. Collins, other famous anti-logging breasts include those of Birgit Bateman, wife of painter Robert Bateman, and Denise McCann, wife of musician Randy "Takin' Care of Business" Bachman."
- Tanya Lester (2000-07-19). "Andrea Collins: Environmentalist looks back on life with the stars". Salt Spring Driftwood: p. 1. Archived from the original on 2020-10-11. https://web.archive.org/web/20201011045916/http://saltspringarchives.com/driftwood/2000/v41n29July19-2000Sp.pdf. "Andrea's involvement in the attempt to save the Texada land is her current focus. Along with her Save Salt Spring Campaign Fund, her artistic talents are being utilized in the calendar of nude women along with friend Ruth Tarasoff."
- "Ex-wife of Phil Collins takes legal action over singer's autobiography". Irish Independent. 2016-12-02. Archived from the original on 2020-10-11. https://web.archive.org/web/20201011045953/https://www.independent.ie/style/celebrity/celebrity-news/ex-wife-of-phil-collins-takes-legal-action-over-singers-autobiography-35263110.html. "Phil Collins's ex-wife Andrea is taking legal action against the singer over his recent autobiography, which she claims has 'seriously damaged' her reputation and caused her 'considerable distress'."
- Kayleigh Giles (2016-11-28). "Phil Collins’ 'cheating' ex BLASTS ’distorting’ autobiography and blames him for divorce". The Express. Archived from the original on 2016-11-29. https://web.archive.org/web/20161129090204/https://www.express.co.uk/celebrity-news/737272/Phil-Collins-cheating-ex-wife-BLASTS-distorting-autobiography-blames-divorce. Retrieved 2020-10-10. "'Until this year I thought everything was in the past and I was finally able to be my own person - until Phil returned to performing and released his autobiography, which raked it all up again,' she said."
- Kayleigh Giles (2020-08-03). "DAVID JONES asks Phil Collins' family and friends why the 69-year-old drummer is re-forming Genesis". The World News. Archived from the original on 2020-10-11. https://web.archive.org/web/20201011054533/https://theworldnews.net/uk-news/david-jones-asks-phil-collins-family-and-friends-why-the-69-year-old-drummer-is-re-forming-genesis. "Her infidelity inspired Collins's first solo LP, Face Value - which became known as 'the divorce album'. It included lacerating lyrics aimed directly at Andrea, such as: 'If you told me you were drowning, I would not lend a hand.'"