Born on this day in 1951, Robert John Arthur Halford, aka Rob Halford, the English singer-songwriter, best known as the lead vocalist for Judas Priest, turns 73. The "Metal God" is known for his throaty growl and his ear-splitting falsetto". He also made headlines back in 1998, when he came out as gay in an interview with MTV News. In his honor, see Halford share hilarious stories behind classic Judas Priest pics, above.