The youngest of three girls, Christina was born just outside Toronto. She carried a double major of theater and dance at the prestigious Arts York at Unionville High School. She went on to further her training at the Ryerson Theatre School of Toronto, among such alumni as Eric McCormack and David James Elliott. In addition to her film and television credits, Christina has appeared in numerous national theater productions, ranging from classical productions of William Shakespeare's "Twelfth Night" to Jim Cartwright's raw and dirty "Road".