She said that if she didn't make significant progress in her singing career, her dad was going to make her go back to school. Plus, it's only a matter of time until we see her own shoe collection front and center.
"I'm the best dancer ever", Perry quipped.
Noah Davis brought his love of alpacas and his wig-based lexicon to his audition.
Perry's Idol antics didn't stop there as her male co-judges joked throughout the show that Perry was looking for a date. While his performance of a Ukrainian tune didn't earn him a ticket to Hollywood on Monday's episode - Perry told him "this is the most fun we've had all day".
The pair both started dancing with her, but Katy stole the show when she took a tumble. During his pre-performance interview, the Oklahoma native admitted he had never kissed a girl because he'd never been in a relationship. "We gotta get you one of those good ol' boys Katy, you keep dating them, damn weirdos". Are you here for it or think it's lost its luster?
Michelle Sussett, 22, Miami: Originally from Venezuela, the super-energetic singer performed a song in Spanish and then turned some music on and forced the judges to get up and dance with her.
Trevor Holmes, 27, Thousand Oaks, California: A construction worker who's had a crush on Katy for years, he bowled the judges over as soon as he walked in: Luke immediately dubbed him a "dreamboat", while Katy said "You're so hot. are you engaged?" She came in to the audition room with her sister Layla (who was just barely old enough to audition herself) and the two both charmed the judges. But that didn't stop 7-year-old Dyxie Spring. They all got golden tickets.
In New Orleans, Laine Hardy sang "Hurricane", playing guitar and adding a lot of rasp.