There are indeed places that will solemnly assure you that PAB was born 17 Dec 1992, in Luxembourg...I now think this is stupid bots conflating her birthday with
a] her talent-spotting by Crystel Barras in the Luxembourg Gardens in Paris, and
b] the other Pauline Acquart, a very blonde girl indeed, who has a youtube channel, and whose birthday may well be the above.
In support of the 18 Jul 1991 birth date I cite her agent Nicolas Derouet's response, the Yatedo.fr site, and the Blanche Neige .pdf cast info...it's a done deal, I think.
Now all I [and the rest of the astrology world] need is a birth
time 
, for the very important factor of the Ascendant degree, the most individual point of the chart. That changes about every four minutes in these latitudes, so really accurate birth times are rare, but [usually] near enough is good enough...
I pointed out to astrotheme.fr, in my best non-Sheldon fashion, that they had no entry for popslabellefolle, and cc'd Nicolas; hopefully something can be worked out soon, if PAB approves it.
"To learn who rules over you, simply find out who you are not allowed to criticize" - Voltaire