There are many magnificent reasons to watch this Carpool Karaoke with Pokerface herself.

First off, there are the man Corden costume changes:

Then for the the first time ever. The guest gets to drive. (bear in mind The Gags only got her license this year!)

She is just gas craic, doesn't take any prisoners, swears like a docker and we love her!

Enjoy!

And not only was the Lady on Carpool, she also took over the entire show: