DETROIT -- "I'm gonna level with you," Rick Astley told the Saturday night, April 21 crowd in front of him at Saint Andrew's Hall. "I'm over 50 now. I don't give a s***. I'm gonna do whatever I want."And that was just fine as far as those fans were concerned.Related: Rick Astley is (Rick)rolling again after return from retirementIt helped that the 52-year-old British singer's desires dovetailed perfectly with what the crowd wanted -- and even gave the fans a bit more than they knew they wanted.