On her birthday, Katy Perry will be a guest host on ‘Ellen’!

Katy Perry will serve as a special guest host.

According to Headline Planet, the 36-year-old Smile star will take over as host of The Ellen DeGeneres Show later this month.

According to the most recent listing, she will guest host the October 25 episode. The evening will be American Idol-themed, with Luke Bryan appearing for an interview and prior finalist Michael J. Woodard performing a musical number.

Katy Perry celebrates her birthday on October 25th!

A talk with a young guest who won a compassion contest will also take place.

Daisy, Katy’s baby daughter, just revealed her favorite word.