Watch Rob Gronkowski Rock Out To Good Charlotte In Unorthodox Workout

If you think Rob Gronkowski puts on his serious face while working out, think again.

Gronkowski on Saturday shared a video of himself air-guitaring to Good Charlotte’s “Lifestyles of the Rich & Famous” while working out. The jam session apparently served a purpose, as the New England Patriots legend wanted to maintain a high heart rate while going through his routine.

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What a goofball.

As for Good Charlotte, they continue to be one of the lamest musical acts of the 21st Century. “Lifestyles of the Rich & Famous” was kinda sweet for a second, though.