In 1992, when Lady Kitty was one year old, she appeared with her mother on the cover of ''
Harper's Bazaar UK. Kitty is signed with Storm Model Management, and made her professional modelling debut in 2015 in the December issue of Tatler''. In September 2017 she walked for
Dolce & Gabbana in a fashion show during
Milan Fashion Week. She was the 2017 June covergirl of
Hello Fashion Monthly, and was featured on the cover of
Vogue Japan. She walked the runway for Dolce & Gabbana in their 2017 Christmas show at
Harrods. In 2018, Kitty was a featured model in Dolce & Gabbana's Venetian spring/summer print campaign. During 2018 Milan Fashion Week she walked in Dolce & Gabbana's Secrets & Diamonds fashion show. In May 2018
Bulgari announced that Lady Kitty would be the new face of the jewellery brand, working as their newest brand ambassador. She had previously modelled for the jewellery designer, modelling the brand's Diva's Dream diamond necklace. She was officially announced as a brand ambassador for Dolce & Gabbana in February 2021. She is also a trustee and patron for the military charity Give Us Time. In June 2017 Spencer helped raise £140,000 for the
Elton John AIDS Foundation. She also has raised funds for
Save the Children. == Personal life ==