AJ McLean underwent cosmetic surgery after feeling self-conscious about his appearance. The 44-year-old singer has revealed that he decided to go under the knife after starring on ‘RuPaul’s Secret Celebrity Drag Race’. He explained: “Genetically in my family, everybody has extra skin around our neck: my mom, my grandmother, my grandfather, my uncle, my aunt, everybody. And for years, I was growing a beard to hide it because I was very insecure. “But the day we shot that episode, I got to see what I looked like with a jawline and Ru told me how beautiful I looked and I got so emotional. It real…