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Rahm Emanuel doesn't look impressed — and neither were many fans with his wardrobe. | Via Twitter

Rahm Emanuel wears denim shirt to Blackhawks game, Twitter reacts

During Sunday night's playoff game between the Blackhawks and Minnesota Wild, television cameras spotted Mayor Rahm Emanuel sitting in front of the glass, sporting some Blackhawks gear under an unbuttoned denim shirt.

His wardrobe choice didn't go unnoticed — especially on Twitter.

Here are some of the highlights:

Really though, it could have been worse — he could have gone shirtless, which we got to see in CNN's "Chicagoland" series: