‘He’s got a gun?’ Britney Spears left terrified as fan storms stage during Las Vegas gig

The popstar feared the fan might have a gun as she was quickly taken off stage amid booing from the packed crowd at Planet Hollywood on Wesneday night. Video of the incident was uploaded to Instagram and shows the 35-year-old performing hit song (You Drive Me) Crazy. As she finishes the song there is suddenly a commotion as a fan can be seen trying to get onto the stage behind…