Davichi's Lee Hae Ri and 4men's Shin Yong Jae teamed up for a perfect duet on the June 6 installment of 'Immortal Song 2'.

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For the Lee Seung Chul�special of the show, the powerhouse vocalists covered his song "Don't Leave". Lee Hae Ri was the last one to perform for the day, and she brought out Shin Yong Jae as her secret weapon. Both singers are known for their amazing voices and broad range, and as you can expect, their performance together went above and beyond.

However, at the end of the day, it was ALi�who took the final win. Check out Lee Hae Ri and Shin Yong Jae's performance, and let us know what you think!