Cristine Prosperi played Mikayla in a TeenNick series that first aired in what year?
Cristine Prosperi: Cristine Prosperi (born  1993 ) is a Canadian actress. Open Heart (TV series):  It first aired on January 20, 2015, on TeenNick in the United States and previously on YTV; now currently on ABC Spark in Canada.
i don't know