sunglasses  Kawasaki Ninja tattoo jennifer lopez

Casper Smart was snapped tooting around town on his Kermit green Kawasaki Ninja on Monday, and we have to wonder what Jennifer Lopez thinks of his ride. I mean, we've never seen her on the back of the flashy crotch rocket, and we doubt we ever will! But she knew what she was getting into when she started dating someone 18 years younger than her...

J. Lo could always buy Casper a new bike for his birthday next spring ... last year she got him a totally tricked out white truck for his 24th bday, so it's not out of the question!