  Do you believe in life after love? " Physically, I'm doing a tour that could kill girls half my age -- less than half my age ," cracks Cher, who turns 58 on May 20 (that's my birthday, too!). Cher's current "Living Proof" concert tour will be her last, although she admits (with a laugh), " It's like I said farewell, but I didn't say when. This tour keeps extending and extending. " 
