Simon Cowell breaks his back after falling off his new electric trail bike

Meanwhile, Deadline.com reported Sunday that Cowell will miss the first two live shows in the new America's Got Talent season, set to air this coming Tuesday and Wednesday.

New judge Sofia Vergara posted a photo to Instagram showing her and fellow judges Howie Mandel and Heidi Klum on set of the reality show during a rehearsal.

The trio are pictured pointing to Cowell's empty chair while sending him well wishes.