WATCH: Mom’s booty-shaking video goes wrong in hysterical way

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A new mom decided to enter an online dance-off competition.

Sometimes the moves you don’t choreograph turn out to be the best.

Summer Knowlden posted the clip of her warm up on YouTube because she said it was too good not to share.

Check out her hilarious “booty baby bounce.”

She said her daughter didn’t cry, she was a little surprised but was not hurt.

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