On 7 June 2021, Kinsella was selected to represent Great Britain at the 2020 Summer Olympics alongside Jessica Gadirova, Jennifer Gadirova, and Amelie Morgan. During qualifications Kinsella suffered multiple mishaps and did not qualify for any individual event finals; however Great Britain qualified for the team final. During the team final Kinsella performed on all four apparatuses, hitting all of her routines and helping Great Britain win the bronze medal, their first Olympic team medal in 93 years.