To be honest... this song is pretty lame. It doesn't get into my head and while Julia has a good voice the entire arrangement is kinda emotionless.
Apart from having nothing of Alizée's charm the song and entire performance is nothing special and rather poor to other French singers. Look at Louane for example. Same type of girl but what a voice and what emotion! Ok, maybe it's just the song itself, SEXTO isn't great. But I doubt that Julia will be very successful at least not outside France.
Edit:
It's nice to have this little behind the scenes video with Alizée tho. It looks like the girls there were actually eager to take a selfie with the former "Lolita".