Sabrina Carpenter ran off the stage after appearing to be struck by a firework during her show at Outside Lands in San Francisco’s Golden Gate Park on Saturday (August 10). The successful pop-singer Sabrina Carpenter was at the end of performing to a sold out show on Saturday when a bunch of fireworks detonated while she was standing extremely close to them. A video which captured the moment has gone viral on social media, with fans wanting to make sure the music star is safe and okay. Sabrina Carpenter shrieks in fear as fireworks go off during her concertIn the video, the Espresso singer can…