Big names cutting across music, modeling and movies have all chipped in a cash percentage as investment with Liquid I.V. (the wellness brand known for maximum hydration drink mix packets). The lineup of celebrities to have attached themselves with the brand as investors for charity include Kendall Jenner, Justin and Hailey Bieber, Scooter Braun, Demi Lovato, Patrick Schwarzenegger, Usher, James …