Which Teen Mom Has This Rockin’ Bikini Bod? (PHOTO)

We can't believe this throwback photo of Mackenzie doing a basketful in the pool! She has great form considering that she's careening through the air ––probably thanks to her training as a professional cheerleader. 

Lord knows we'd be belly flopping around like a beached whale.

Did you guess it was Mackenzie? Tell us below!

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