Ailee covered the late Whitney Houston's classic song "I Will Always Love You" on the April 12 installment of 'Immortal Song 2'.

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The singer is known to have gained popularity from a video she made of herself singing the song. Ailee said, "From a young age, I listened to Whitney Houston's songs and liked them. She's one artist I want to be like."

Ailee channeled Whitney Houston's soft yet powerful voice, touching the entire audience. However, ZE:A took the final win for this episode.