As the America’s Got Talent season 19 semi-finals arrive and the final is so close the acts can almost taste it, Heidi Klum, 51, reveals how her work life never felt like a chore. She found her beginnings of fame after entering a modeling competition, despite originally aspiring to become a dancer. Now a world-renowned model and America’s Got Talent judge, Heidi carved out an impressive decades-long career that’s showing no signs of slowing down. While many people in the spotlight struggle with body image issues, body-shaming, and the dark side of fame, Heidi says she never had bad experiences…