On A Scale Of 1 To Weeping, Here's How Chrissy Teigen Felt About Tom Jones & Jessie J's Grammy Performance

John Legend and Haim were feeling it, too.

To honor Barry Mann and Cynthia Weil's Trustees Award win at the 57th Annual Grammy Awards, Tom Jones and Jessie J performed The Righteous Brothers' "You've Lost That Lovin' Feelin'," one of the songwriting duo's many classic hits. Apparently, that's all John Legend, Chrissy Teigen and the Haim sisters ever wanted.

While Jessie J and Tom Jones were performing "You've Lost That Lovin' Feelin'" onstage at the Grammys...

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...John Legend and Chrissy Teigen were low-key clapping and swaying in the audience.

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Alana, Este and Danielle Haim were...not so low-key.

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A tear-free night was had by all.