[4] After an impressive performance in the Tyrrells Premier 15s, she was called up to start five of England's 2018 Women's Six Nations Championship matches.

[7][8] Kildunne made her return to XVs rugby but missed the first two events of the 2019 World Series due to injury.

[7] She was part of the team that won the 2020 Women's Six Nations Championship, which was postponed until late 2020 due to the COVID-19 pandemic.

[9] She was named in the England squad for the delayed 2021 Rugby World Cup held in New Zealand in October and November 2022.

[10] After winning the 2024 Six Nations grand slam, in which she was the top try scorer, it was announced that she would join up with the Great Britain women's sevens team prior to the 2024 Summer Olympics.