The 65-year-old musician will take the stage next Saturday.
The 'Batman v. Superman' star began his acting career hosting a PBS educational series.
Cassidy explains to ET why he was so upset in a viral video showing him complaining about a concertgoer who ignored his ailments during a show.
Their similar features are uncanny!
The couple is already parents to 2-year-old son Ford.
The 27-year-old rocker also offers an update on her upcoming nuptials and sophomore album.
The world has already weighed in on Meghan Markle, but what would Prince Harry's late mother think?
Happy birthday to the man who always makes everything alright, alright, alright!
The singer revealed her biggest fan might be in her own house.
ET Canada went backstage with the singer at her first performance since news broke of James Packer split.
The singer explains why he was so upset in a viral video showing him complaining about a concertgoer who ignored his ailments.
The Scottish DJ said he felt 'blessed' to work with his ex on 'This Is What You Came For.'
The 'Dirty Laundry' singer also opens up about her forever friendship with Brad Paisley.
ET was on the set of the upcoming 'Odd Couple' tribute to Garry Marshall, where his sister Penny revealed just how much he meant to her.
