Hey friends!  This past weekend I threw a surprise party for my younger sister.  She just turned 18 on Sunday.  I have never thrown a surprise party for anyone before so it was definitely an exciting time.  I was also never too into party planning but it was awesome! I want to throw parties for everyone I know, now.  She had no idea that anything was different and then she walked downstairs to find all of her friends and her family in the kitchen.  Decorating was one of my favorite parts, I chose a purple and black theme.  I got purple wrapping paper to put on the wall as a…