What do Romance Archivesyou give the man who swept the 2018 Grammy Awards?

Your kidney, of course.

Bruno Mars cleaned house at this year's ceremony, taking home both Album of the Year and Record of the Year. While he was there, he also performed his hit remix of "Finesse" with first-time nominee Cardi B. Following his big night, Cardi jumped on Instagram to congratulate her friend and offer up an organ as a thank you to him.

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SEE ALSO: Bruno Mars takes home the Album of the Year at the 2018 Grammys

"I want to thank you soo much! I don’t even know how," she wrote on Instagram. "Maybe one day you’ll need a kidney...I got you," she added.

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"Congrats on your wins tonight you deserve [it]," she continued. "You sing, dance, play instrument, produce your videos...SHIT you probably know how to build a house. You ARE AMAZING ...and you gave me [rhythm]," she wrote.

You can watch the iconic duo's entertaining performance below.

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