"In high school, I was kind of gothy, I wore a big trench coat every day and I had blue hair and was really big on blue eyeliner and blue mascara because I...wanted to be an X-Men," says Katie.
She wasn't the only one who had a blue hair phase in her younger years...Ellen did too! As for AnnaSophia, she had crazy eyebrows and admits she really didn't really do anything to maintain them.
We love that!
Their new CW show is a prequel to the HBO hit show Sex and the City. Learn all about their characters and get show deets in the vid above!
Gallery | Guess That Celeb Instagram!
We just love Miley Cyrus' new hair!
Who is 1D's Harry Styles dating?!
It's the bomb: Check out some hilarious photobombs right here!