A friendly reminder if you spend NYE in Paris and are foreigners: DONT GO TO CHAMPS ELYSEES AND AVOID CHAMPS DE MARS !!!!
Please don't,
every year its a fucking war zone between local scumbags, gangs, drunkard and heavy handed Police.
Best case scenario you'lll get tear-gased and spend a awful night, worst you can get mugged, sexually assaulted (if woman) arrested or hurt.
If you want to experience NYE the french way, find a small party or a local bar, big events in Paris are mostly shit.