Lightning Bolt Stuns Britney During 'X Factor'

We've already seen some verbal fireworks between contestants on The X Factor and judges clashing over musical talent (or lack thereof). But this sneak peek of tonight's episode reveals a real-life lightning bolt that rattles Britney Spears and others on the judging panel. 
Watch the clip to see Britney's priceless reaction to lightning and roaring thunder during a contestant's audition in Greensboro, North Carolina.
You can watch the full episode of The X Factor tonight at 8 p.m. on FOX.