Perry announced earlier this year that this season of 'American Idol' would be her last.
Ryan Seacrest chats with ET on the red carpet at Disney ABC Upfronts in New York City.
Pink chats with ET's Denny Directo on the Paley Center red carpet for the premiere of the documentary, 'Bob Mackie: Naked Illusion.'
Pink speaks with ET at the the Paley Center red carpet for the premiere of the documentary, 'Bob Mackie: Naked Illusion.'
Katy Perry chats with ET's Denny Directo about 'American Idol's Disney Night and the importance of Mother's Day.
Lionel Richie chats with ET's Denny Directo on the red carpet for 'American Idol,' which airs Sundays on ABC.
Luke Bryan chats with ET's Denny Directo on the red carpet for 'American Idol,' which airs Sundays and Mondays on ABC.
Idina Menzel chats with ET's Denny Directo on the red carpet for 'American Idol,' which airs Sundays and Mondays on ABC.
Katy Perry chats with ET's Denny Directo on the red carpet for 'American Idol,' which airs Sundays and Mondays on ABC.
Katy Perry dressed as Cinderella for Disney night on Sunday's 'American Idol.'
Luke Bryan, Katy Perry, Lionel Richie and Ryan Seacrest put their friendship on the line in this sweet 'American Idol' teaser.
Katy Perry, Lionel Richie and Luke Bryan perform a Disney classic. 'American Idol' airs Sundays and Mondays on ABC.
The singer shared the reason she skipped the event in an Instagram post Monday evening.
Katy Perry chats with ET’s Denny Directo backstage at ‘American Idol,’ which airs Sundays on ABC.
