Like many young actors just starting out, Margot Robbie was helped out financially by her mother in the early days. However, most wannabe performers don't go on to become A-list Hollywood stars with a string of hit movies to their name and – most importantly – the bank balance to match. But Margot isn't your average actress – or daughter – and she was determined to pay her mother back every last cent. "Everything I owed my mom, I had it written down," she recently revealed to CBS Sunday Morning.