VIDEO : Jennifer Morrison Leaves Once Upon A Time

Jennifer Morrison told ET exclusively that starring on Once Upon a Time has been the "most unbelievable thing" that has ever happened to her, but it's time for her to move on from the ABC series. On Monday, the 38-year-old actress announced that after portraying Emma Swan on the show for six seasons, she had reached the end of her contract and would not be renewing. Morrison posted to Instagram, "After very careful consideration, I have decided that creatively and personally, it is time for me to move on."