Min Hyo Rin�revealed things weren't always smooth between her and boyfriend Big Bang's Taeyang.

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During the latest filming of MBC's 'Radio Star', Kyuhyun�asked, "How long were you and Taeyang dating when your relationship made headlines," and the actress responded, "For quite a while."

Min Hyo Rin added, "We broke up in the middle once, and then we started dating again," surprising everyone with her honesty.

This juicy episode airs on May 11 at 11:10PM KST!