Liam Neeson pranks co-star’s ex-boyfriend

It's pretty cool to have a fake movie dad like Liam Neeson.

It's even cooler when Neeson prank calls your ex-boyfriend.

Actor Maggie Grace, who stars as Neeson's fictional daughter in the Taken franchise, tells Conan the story and then plays a tape of the actual call.

Also today on Trending Now, Bill Mahr reveals to Kimmy Kimmel his thoughts on the controversy surrounding Bill Cosby. Eddie Redmayne talks to Ellen playing famous scientist Stephen Hawking. J.K. Simmons and Jimmy Kimmel have a low note competition. Allison Williams tells Dave Letterman about the challenges of flying in her recent production of "Peter Pan" and on Late Night with Seth Myers, Pretty Little Liars star Lucy Hale says her parents' house is haunted.

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