Paris Jackson's birthday looked like a typical teen's Monday -- eating Mickey D's, smoking cigs, hanging with friends -- which is a full 180 from when she was a kid.
She celebrated 19 by chillin' outside a friend's apartment ... possibly the most casual party ever for Hollywood royalty.
Can't blame Paris though for toning things down. Her childhood was nothing short of a media circus ... hidden behind veils, paparazzi and bodyguards at every turn.
She's earned some normalcy. Happy 19th, PJ!
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