She attended Interlochen Arts Camp during summer holidays and performed in plays at the Community House in Birmingham.

[1][2] In 2019, after appearances in One Dollar and Gotham, Pidgeon was cast in Amazon Prime Video series The Wilds.

[5] Her performance was said in Collider to display her character's "obsession with figuring out the truth has her operating at an 11, fraught with tension, almost every single second of the show" and that: "Pidgeon's ability to hit that level and keep herself there with such raw intensity is remarkable.

[7] She has received critical praise for her portrayal of the younger version of Kathryn Hahn's character Clare, with Lucy Mangan in The Guardian describing the role as "brilliantly played".

"[9] Portraying Clare's experiences, it has been said that: "Pidgeon balances grief, love, and maturity in a truly gentle yet striking way.