Madison Cooperstein played by Renee Olstead Madison, Lauren and Amy used to be the best of friends but boys, gossip and Amy's pregnancy changed that. Madison spilled Amy's secret to the whole and also competed with Lauren for Ricky. Now she's dating Jack, but it's not going to good. She doesn't like that he still talks to Grace. Even though Madison is always involved with drama she still manages to stay best friends with Lauren. She is still trying to regain Amy's trust though because nobody likes a best friend who can't keep a secret.