(omg!) The 13-year-old son of the singer and British director Guy Ritchie also shares some of the irreverent pop star's personality traits. As he's grown into a teen, the younger half-brother of Lourdes, 16, and the older brother of 8-year-olds David and Mercy, is acting more and more like his mum. Let's count the ways: 1. He's got moves! Rocco has danced and played DJ at several of his mom's appearances in the last couple of years and, well, he's a little too good for Madge's tastes. "He's disconcertingly comfortably on stage," she revealed last year at the premiere of the documentary on her 2012 MDNA tour, where he was shown busting a move during the film. And while a lot of kids his age wouldn't be willing to dance with their parents anywhere — let alone in public! — Rocco still loves rocking out with his supercool mom. . (Instagram) 2. He's daring. No, of course, he hasn't done anything as wild as the con...