Isabella Briggs (born ) is an American actress. She is best known for playing Denise Russo in season 3 of the Prime Video series The Summer I Turned Pretty (2025).
Briggs was born and raised in Los Angeles. She developed an early interest in acting and began appearing in commercials as a child.
She studied drama at the Carnegie Mellon School of Drama. After graduating, she moved to New York City to pursue her career.
Briggs made her screen debut in the short film Mi Amor (2018). She later appeared in several television projects, including the miniseries Fatal Attraction (2023), where she portrayed Stella in five episodes.
She also guest-starred in Evil (2024) and Sugar (2024).
Briggs gained international attention in 2025 when she joined the cast of The Summer I Turned Pretty as Denise Russo, a new character created exclusively for the series.
Briggs lives in New York City. She has been in a relationship with artist Mikael Gemeda-Breka since 2019.