LOL I wish it was 60 to go to 9. I just spent 36 blue stars trying to get from 8-9. Lost a star on saff, cianna went down to 7, and finally back to 8. So - 36 stars netted me exactly -1 star!!!! Stars in this game SUCK!!!
I would much, much rather have them HARD to get but WORK than easy to get, fill your package and bank only to lose time and time again. I can honestly say i will never buy a star at full price. I win them, in lab, in arena and buy discounted in fair.