Selena Gomez was “terrified of thunderstorms” during her childhood. The 30-year-old pop star grew up in Texas and Selena has revealed that she lived in fear of thunderstorms and tornadoes. In a clip from her new documentary, ‘My Mind and Me’ – which has been shared with Vanity Fair magazine – Selena says: “When I was a kid I was terrified of thunderstorms. I grew up in Texas and I was so scared that lightning and thunder would mean a tornado was coming.” Selena ultimately managed to overcome her fears after reading about thunderstorms and what causes them to happen. Selena’s mom bought her som…