Arnold Schwarzenegger, Justin Bieber and Steven Tyler made the CMT Awards extra weird

Um, what are you guys doing here?

Wednesday's CMT Awards — if you don't know what this award show is then don't even bother — decided to spice up its more than two-hour run with a bizarre Uber parody (promoting "Gruuber"), which featured Arnold Schwarzenegger, Justin Bieber, Steven Tyler, Tom Arnold and James Corden, to name just a few.

What do all of these famous people have in common? They are not country music artists — hence our bewilderment at spotting them during the CMTs. (The Biebs did admit to being a Luke Bryan fan, though.)

But it's best not to rationalize these things and just chalk it up to celebrities doing anything that pays well.

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