Paris Jackson and her mom, Debbie Rowe , have grown very close in recent months ... with sources telling us the the mother-daughter similarities are crystal clear! Here's the deal ... the singer and model shared several pics of her mom to social media Thursday -- with Debbie beaming in the selfies, while Paris flashed a small, close-lipped smile. In a clip, Paris rides around on a horse in a corral ... and the video is captioned "Just a chip off the ol’ block." Debbie is an avid horse