The real name of an Instagram star, Stassiebaby is Anastasia Karanikolaou. She is so close friend with Kylie Jenner since they were 11 years old, that she is like a member of the famous family. At some point, this blonde beauty has started her Instagram career and recently switched to You Tube. Check out these photos of her in a bikini, showing off that massive butt and some hot nudes.