Brazilian supermodel Alessandra Ambrosio has announced her engagement to Aussie jewellery designer Buck Palmer. Your cookie settings are preventing this third party content from displaying. If you’d like to view this content, please adjust your Cookie Settings . Palmer is a former model and is now the founder and designer of Buck Palmer Jewelry, based in California. Credit: Alessandra Ambrosio/IG / IGAmbrosio expressed her love for her fiance to Us Weekly in March 2025, saying the pair “just love life to the fullest”.