Rod Stewart has developed a crush on Prince Charles' wife CAMILLA, DUCHESS OF CORNWALL after meeting her at a US gala. Stewart performed for the couple at the VIP bash in Philadelphia - before being introduced backstage. And he admits to being blown away by the 59-year-old's looks. The 62-year-old singer says, "She always looks glamorous to me. I can see what he sees in her, quite honestly, between you, me and the lamppost. "For the first time in my life I was really nervous. It's not screaming hordes of fans like I'm used to. "She was talking about how she had Great American Songbook on the iPod.