Jolin is a really talented actress, singer and dancer. She is considered the "Taiwanese Britney Spears" (Let's just hope you doesn't shave her head huh?)
Some info from DramaWiki:
Name: Cai Yi Lin (蔡依林)
English Name: Jolin Tsai
Here are songs by her...
So here's one of her newer songs (eng subbed-I'm srry the mv is REALLY weird, if you feel awkward watching it, multiply it by 100 and that was how I felt watching it in Chinese school with my parents behind me and my friend's and there parent's there also) it's called Agent J, but all in all it's really good!
A Wonder in Madrid
Jing Tian Ni Yao Jia Gei Wo (Today you will marry me) ft. David Tao...eng subbed!
Here's her and Xiao Zhu