What the stars of many cute pop song covers lack in tunefulness, they normally make up for in spirit. In the video above, Tom Riles, Patrick Quinn and the rest of the crew from LifeofDad (who recently regaled us with their performance of "Part of Your World" from "The Little Mermaid") return to perform Mariah Carey's Christmas favorite, "All I Want For Christmas Is You" -- and while their singing won't necessarily impress you, it will absolutely warm your heart.
The dads have even challenged Mariah Carey to a sing-off in "the real Bethlehem" on Christmas Eve. No word yet on whether the star will make their wish come true.
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