Backed up by a cappella group The Filharmonic, Corden struck first with a rendition of “All My Life” by K-Ci & JoJo.
Unimpressed, Usher shot back with a version of “Mercy, Mercy Me” by late soul singer Marvin Gaye.
But what’s a riff-off with only two competitors? Hollywood hunk Luke Evans ran out on stage to throw his hat in the ring. The Beauty and the Beast star hit a home run with his version of “I Want To Know What Love Is” by Foreigner.
In the end, the three equally soulful celebs wrapped up the riff-off with the very fitting track “Let’s Stay Together” by Al Green.
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