Second only to Cher, I find a Celine Dion impression one of the most satisfying to absolutely nail. With the iconic 90s feel of Britney and Shania, and the nigh unreachable technical heights of Whitney Houston, it’s a certain type of achievement when you ace a rendition of “It’s All Coming Back to Me Now”. French actress Valérie Lemercier is competent at the impression (though the singing is perfo...