Les McKeown, the lead singer of the Bay City Rollers, died on Tuesday, April 20. He was 65 years old.  The Rollers had ten top ten hits in the U.K. in the late 70's, including two number ones.  In the U.S., they only hit the top ten twice including the chart topping "Saturday Night". Here are the Ten Biggest Hits for the group in the U.S. and U.K.  1. Saturday Night (1975 / #1 U.S.) 2. Money