Tony Sun (; born 20 February 1978) is a Taiwanese actor, singer, and host. He is the leader of Taiwanese group 5566.
Sun gained much solo experience by releasing several well-received albums in Taiwanese Hokkien in the 1990s. However, his popularity waned when he had to fulfill his mandatory military service. Sun was signed under Jungiery since his earlier career days.
On 21 November 2011, Sun married actress . In October 2015, the couple announced their divorce; they had no children.
When Sun was hosting a variety show The Hunger Games, singer would appear frequently as a guest. They started dating since 2019, and then married on 3 March 2025.
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