Did Fifth Harmony prank Simon?

Get this- while Simon Cowell was gearing up to celebrate his birthday, he had absolutely no idea that Fifth Harmony was busy cooking up the prank of the century! Here's what went down- Ally, Camila, Dinah jane, Normani, and Lauren snuck onto his fancy Beverly Hills mansion's property and covered it in toilet paper. Then, they left an LOL-worthy message for the X Factor judge on a huge sign in front of the house. "Happy 87th Birthday Simon! Love, FiFth Harmony" they joked, pretending that he turned way old than he actually did. Ha-we love the goofy bond these girls share with him!