Sabrina Lois Bartlett (born September 12, 1991) is an English actress. She is known for her television work, notably, playing Siena Rosso in the first series of Bridgerton (2020) and playing Mariette Larkin in The Larkins (2021).
The series follows the lives of 4 high school girls whose clique falls apart after the disappearance of their leader. One year later, the estranged friends are reunited as they begin receiving messages from a mysterious figure named "A" who threatens to expose their deepest secrets.
