On KATIE COURIC'S show yesterday, CELINE DION revealed that her two-and-a-half-year-old son Nelson enjoys WEARING HIGH HEELS. And she even showed a picture of him in a pair. She said, quote, "He walks better in heels than me . . . I'm not the only one in the family who loves shoes, believe me." Then she looked at the camera and said, quote, "Stay tuned."