02/21/2014 09:53 am ET

Steven Tyler Mistaken For A Woman On Topless Joyride In Hawaii

Paul A. Hebert/Invision/AP

If you didn't already know it was Steven Tyler in this video ... you might think there were two topless chicks cruising around in the back of a Jeep Wrangler like drunk high schoolers.

The person who shot the footage tells TMZ, he honestly believed he was being tailed by a car with two topless women -- until the Jeep got close enough for him to see ... it was actually Steven.

Read more on www.tmz.com