Thanks for getting back about what has happened @QueenMia so wouldn't of unlocked Olivia in the event, which is a shame, but thanks for clarifying why, much appreciated :)
@QueenMia I did all 3 days in star part of holiday event, and didn't unlock Olivia, I got all the present rewards in all levels. Day 1 it gave 45/450 stickers, day 2 then gave 30/450 stickers in tota…