- Birth Name: Wu Sixuan (吳思璇)
- Stage Name: Xi Le (喜樂) (Taiwanese), Shenshen (シェンシェン) (Japanese), Shan
- Birthday: January 10, 1988
- Blood type: O
- Hobby: Watching movies, writing songs, dancing, and not using her brain from time to time
- Favourite food: Seafood, doria, daifuku
- Dislikes: Ants, flus and stomach aches
- Hello! Project groups:
- Ice Creamusume (2008–2009)
Before participating in the Taiwanese Hello! Project audition, Shenshen had already participated in several other auditions and had been an amateur model. She was one of the four finalists chosen from the audition. As the eldest of the group, she was also the leader.
A few years after the disbandment of Ice Creamusume she became a member of the dance unit Double 2, and began using the stage name Shan.
- TV Dramas