FAST COMPANY: How Fanatics' All In Challenge became the wildest $50 million celebrity charity contest ever

Chris Pratt has offered you a chance to get eaten by a dinosaur in the next Jurassic World blockbuster. Justin Bieber is offering to fly to your house and sing you a song New England Patriots owner Robert Kraft is offering his 283-diamond Super Bowl LI championship ring. Leonardo DiCaprio and Robert De Niro have offered up a walk-on role in the next Martin Scorcese film, Killers of the Flower Moon.

It’s all part of the All In Challenge, a charity drive by Fanatics and its founder Michael Rubin to raise money to support organizations fighting food insecurity such as Meals on Wheels, No Kid Hungry, and America’s Food Fund benefiting Feeding America and World Central Kitchen…