Ever since losing some of the extra weight, Rob Kardashian has been gaining more confidence and it really looks like he’s finally back in the spotlight after years of hiding from the world! The Keeping Up with the Kardashians star appeared on social media in yet another post, this time showing off his shirtless body while on a trip with half-sister Kylie Jenner for her birthday celebration! In the past, Rob Kardashian wouldn’t have been caught dead on social media without a shirt on, or at all,