Rob Lowe and John Stamos are basically the same guy. So it shouldn't be surprising that they get mistaken for each other.
But if you're driving a tour bus around Hollywood, you should really know the difference.
Rob shared a clip of a bus driver who DIDN'T know the difference, and told his clients they were looking at Mr. Stamos.
So Rob walked up to the tourists, who all knew who he was, and joked with the driver that he's got to get better at his job.
He tagged his son Johnny in the caption and said, quote, "Am I being Punk'd?"
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