Amanda Bynes showed off her midriff and her engagement ring when she stepped out in Los Angeles on Friday.The actress, 36, wore a white crop top that read 'Los Angeles, California' across the front of it.She added a pair of pale blue jeans to the ensemble, and she walked in comfortable-looking white high-top sneakers. Grabbing a coffee:Amanda Bynes showed off her tummy and her engagement ring when she stepped out in Los Angeles on FridayThe She's The Man actress accessorized with a white purse complete with a strap that wrapped across the front of her body.