Freedom at 50: Céline Dion is in control as she reaches a milestone

Turning 50 is a big deal, and people often mark it with a major bash.
But not Céline Dion. She claims it’s no biggie.
In fact, the hardest-working woman in showbiz planned to spend the red-letter day — Friday, March 30 — at Las Vegas’s Colosseum at Caesars Palace, doing exactly what she’s been doing on so many nights since she was a teenager: singing on stage. That makes perfect sense: entertaining is what Dion does.
(That birthday plan was scrapped Wednesday