WATCH: Celine Dion Covers Adele’s ‘Hello’!

Canadian Celine Dion kicked off 2016 with a special performance of Adele’s ‘Hello’ during her Las Vegas residency at Caesars Palace!

Adele’s comeback album 25 was the best-selling album of 2015, breaking *NSYNC’s one week sales record by selling over 3.8 million copies in its first week!

Adele also became the first artist to have an album sell at least a million copies in THREE different weeks!