02/08/2015 06:52 EST | Updated 02/08/2015 06:59 EST

Nick Jonas Is All Kinds Of Handsome At The 2015 Grammys

Da-yum, son!

Proving once again that he's all grown up, Nick Jonas walked the 2015 Grammys red carpet on Feb. 8 looking dapper as hell.

The 22-year-old "Jealous" crooner gave Benedict Cumberbatch a run for his money in a grey-and-yellow tartan Versace suit paired with a white button-up and matching sneakers.

The lucky lady by his side? None other than girlfriend Olivia Culpo, who complemented her man in a sexy strapless LBD.

Dare we call them the best-dressed couple of the night? Hell, yeah!

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Photo gallery Grammy Awards 2015 Red Carpet See Gallery