Hey im 13 and also having a sleepover this fri night and i have come up with a few suggestions.This game is really fun make sure to have makeup removing or face wipes handy after for this game it can get kinda mesy!for this game youll need a blindfold or a bandana or scarf, some bright colored lipstick like red or hot pink, some blush and a blush brush also some brightly colored eyeshadow.Step1 partner each girl up with someone she dosent know that well,(this can be a great game to break the ice)but since there are 11 one group can have 3 and just take turns,next designate one girl the makeup artist and the other the client. for the group of 3 have there be 2 clients and one artist.next have one group go first have the client sit down facing the artist and blindfold the artist then she has 45 seonds to try to apply the lipstick,blush,and eyeshadow the best she can and whoever applies it the best wins a prize such as glitter, lotion, lipgloss etc i hope your bash is a blast! also for more help try out http://www.birthdaypartyideas.com/html/sleep_over.html they have more sleepover ideas than i can count and email me @
[email protected] hope i helped bye:)