But not as a birthday girl; sadly. She featured as a guest on an episode of MTVs Sweet 16 UK, before she was famous. She was one of the party-goers who always claim oh my god, INSERT NAME HERE is so lucky. This is an amazing party. This when she was trying out for auditions and clearly way too into hair crimping. Fun fact: Pixie's hair is naturally brown, but she's been dying it blonde since she was 13.