Singer Katy Perry continuously “turns up late” for judging the singing-based competition show “American Idol”.

Production sources told tmz.com that she is almost always late to the audition rounds, showing up 10-25 minutes after call time.

While it has been frustrating for the show’s producers, the other judges — Luke Bryan and Lionel Richie — haven’t been all that upset and their chemistry is good, said the sources.