there are immediate assumptions about alcohol or drug abuse—but we can tell you Selena went for different reasons, and they're honestly pretty inspiring. tribute — whether big, small, or non-existent — really is up to her.Instagram contentView on InstagramLet us slide into your DMs.Sign up for theTeen Voguedaily emailWant more fromTeen Vogue? Check this out: Halsey and G-Eazy Kissed and Fans Are Convinced They're Back Together "What do you mean?" The model took to Instagram last night to share a rather mysterious photo that many are thinking might be about none other than Justin Bieber. Her post is simply a black-and-white photo of an empty coffee mug with the words "Forget about it" at the bottom of the cup. Hailey posted the picture without any caption, leaving us all to wonder: what's this all about?! What exactly does she need to forget about? (Or, perhaps, more accurately:who