J'en ai marre is one of the first songs I found out when I bumped into Alizée. Since I tend to prefer live performances over studio versions, En concert JEAM soon became one of my favourite videos; and when I watched it, I always waited for the funny faces she makes during the song:
https://youtu.be/d8KPZAC4rAc?t=215
https://youtu.be/d8KPZAC4rAc?t=304