Got a story you think we should cover? Email us at web@teenvogue.com. If you want more ofTeen Vogue's top news, sign uphere Usher is Justin Bieber's mentor, and Justin is Austin Mahone's mentor, which sure brings new meaning to the term #fam. Both musical influences come through in a big way in the 19-year-old's latest track that sounds straight out of the early aughts. meeting with Parkland survivors at the White House a video of him refusing to switch out a darker-skinned lead model for a fairer-skinned model.The clip, which Toryposted on his personal Instagram