Tyga and Madelaine Petsch are officially a couple! TMZ reported that the Loco Contigo rapper and Riverdale star have been dating, but their romance is still fairly fresh. Reportedly, the pair went from being friends to falling in love—one of the best romantic tropes. A source told the outlet that Petsch and Tyga have been close for a while, and only recently did their friendship transition into a relationship. They have reportedly made their relationship official within their inner circle. However, it’s still in the early stages, so they are enjoying spending quality time together and getting to know each other. Over the weekend, The Strangers actress was spotted linking arms with her new beau as they stepped out of Chateau Marmont in West Hollywood. The lovebirds went to the famous Hollywood venue to attend Vanity Fair and Instagram’s Vanities Party. It appears that the rapper has found a confidant in Petsch during a difficult time in his life. Last month, he announced the unfortunate passing of his mother, Pasionaye Nguyen. “You were the best …