On The Fly: What's Your Go-To Each Day? Can't go a day without checking your cell? How about an hour? Okay, okay what about ten minutes? Well Shadowhunters fans, you're definitely not alone. Check out the On The Fly video below. What's the one thing some of your favorite stars could not go a day without? Admit it, Dominic made you swoon a little didn't he? Super cute! What could you not live without? Let us know in the comments. Keep checking back for more On The Fly videos.