Shannon Purser is an American actress, known to audiences for her roles in the series Stranger Things (2016) as Barbara "Barb" Holland, and CW's teen drama Riverdale (2017) as "Ethel Muggs". She was born on June 27, 1997, in Atlanta, Georgia, where she worked at a movie theatre. She switched her focus on a career in acting. After making her screen debut in 2016 on "Stranger Things", other television projects soon followed, including "Riverdale" (2017) and a pilot for a series called Rise (2018). Between television projects, Shannon made her film debut in the fantasy-horror venture Wish Upon (2017). She quickly joined the cast for the 2018 series Final Space (2018) and the 2018 comedy Life of the Party (2018), and landed her first leading role, in the 2018 comedy Sierra Burgess Is a Loser (2018).