Lizzie Griffiths, 25, of London said she adopted George, her bearded dragon, last year and decided to postpone her wedding to Chris Fisher so she could spend their saved cash to treat the reptile's cancer, The Sun reported Thursday.
"Chris knows George will always come first," Griffiths said. "I fell in love with George the minute I saw him and knew I'd do anything to look after him properly. So right now we can't afford a wedding."
Griffiths said George, who became the first bearded dragon in Britain to undergo chemotherapy, is now in remission.
Fisher said he understands that George will always be "Lizzie's No. 1."