She's got Lionel Richie as a father, Good Charlotte's Joel Madden as a brother-in-law, and Justin Bieber as a boyfriend . Of course Sofia Richie is gonna sing her heart out. Or, y'know, lip sync her heart out.The 17-year-old model addressed reports of her romance with Bieber in a Snapchat video on Tuesday, People reports . Richie can be seen hanging out with stylist Chloe Bartoli and mouthing along to Bieber's song with DJ Snake, "Let Me Love You." Think that's a message to the Beliebers who are hating on their relationship