Grimace was wearing YSL.

Who is who?! (via @YahooCelebUK)

Men's fashion is ON POINT tonight. Check out Neil Patrick Harris, host and silver fox:

Sorry, ladies, he's married. (Getty) is planning a heist for after the awards show, so he's wearing something more versatile than a tux. Maybe we're misinterpreting this look and your burgers are safe? Here's a couple more suggestions popping up on Twitter:

Choo Choo! That's traveling. (via @HuffPostCaStyle)

Sources: Yahoo Celebrity UK