Rhian Louise Teasdale is a musician from Formby, England. While best known for being one of the members of Wet Leg, she released several songs before that under the name Rhain. She was associated with the music scene in Bristol.

Wet Leg are a British indie rock group from the Isle of Wight, founded in 2019 by Rhian Teasdale and Hester Chambers. They debuted with the single "Chaise Longue" in 2021. Their self-titled debut album debuted in 2022 at number one on the UK Albums Chart, Australia's ARIA Albums Chart and the Irish Albums Chart. The album was shortlisted for the 2022 Mercury Prize. At the 65th Annual Grammy Awards, Wet Leg won Best Alternative Music Album for their debut and Best Alternative Music Performance for "Chaise Longue", and were nominated for Best New Artist. They also won Best New Artist and Best British Group at the 2023 Brit Awards.