An interesting duo took the Grammy Awards stage on Sunday night and made an unusual pairing beautiful.

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Adam Levine and Gwen Stefanie took the stage to perform "My Heart Is Open." The two barely looked at each other during the performance, but it didn't matter as they couldn't have sounded better.

The two were backed by an orchestra band. Stefani rocked a long strapless red dress with her signature platinum locks up in a bun.

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Levine showed up in a full suit and hey shared a sweet hug at the end of the performance—Levine even clapped specifically for Stefani in front of the audience.

Watch the full performance below.