Tan Songyun (born 31 May 1990), also known as Seven, is a Chinese actress, singer and model. She is best known for her roles in television series The Whirlwind Girl (2015), With You (2016), The Fox's Summer (2017), Under The Power (2019), Go Ahead (2020), The Sword and the Brocade (2021), and Flight To You (2023). On October 17, 2019, she was selected into the 2019 Forbes China 30 Under 30 Elite List.