In 2014, she appeared in Moon River, playing Lucy. She made a cameo appearance in the television series The Lying Game. She was cast in the lead role of Ren Yuhong in Heart Of Steel. She was cast in the film Twa-Tiu-Tiann, playing the former girlfriend of Chris Wang's character. In 2017, just three days after she gave birth to her second child, Quinlivan auditioned for her role in the action thriller film Skyscraper, which was released in 2018.
In November 2014, Quinlivan confirmed her relationship with singer and actor Jay Chou. The couple had been dating since 2011. In December 2014, Chou announced that he would marry Quinlivan on his 36th birthday. Quinlivan holds dual Taiwanese and Australian citizenship.