On June 20th, 2012, Céline Dion taped a segment for the show "Trip Flip", before her show, at the Colosseum at Caesars Palace in Las Vegas, Nevada. The host Ben Kreischer surprised two tourists with tickets for Celine's show and organised a visit backstage.Then, Celine greeted them. The show was aired on Travel Channel in the US on August 16.
On the same day, after her show, Lea Michele and Cory Monteith met Celine Dion. Lea Michele and Cory Monteith were part of the Glee Cast.
Lea tweeted about this meeting:
Just had one of the most amazing nights of my life seeing the unbelievable Celine Dion perform live in Vegas.
Her show was sooooo good! And I got to meet and talk with her after the show. She is such an inspiring and amazing person!