When Darrell walked on stage, a wily Ryan Seacrest quipped, "I was gonna ask you what's new, but I think I know."

After kissing Seacrest on the lips, Darrell, took the the stage to sing Mariah Carey's Vision of Love and was upstaged by DioGuardi, who walked up behind her singing the song better. At the end of the number, DioGuardi, who obviously out-sang the 20-year-old model from Chino Hills, California, opened her dress to reveal her outstanding bikini body. Oh no she di'ent! Check out their sing-off/bikini-off here.

During the audition rounds, DioGuardi was offended that Darrell would try to get attention by showing up to the audition in a bikini and thought she lacked the talent to move on to the Hollywood round. However, she was out-voted by resident pervs Simon Cowell and Randy Jackson.

Darrell, a 20-year-old model from Chino Hills, California, was among the contestants on last night's episode of American Idol, and let's just say her audition was more than about her singing.

She told cameras she wore her bathing suit to the audition to get attention.

"I came dressed in my bathing suit to American idol because, first of all, I figured it would set me apart from the crowd, and secondly because I heard it was a crazy audition process and I figured, well, at least I’ll have a tan," she said.

Darrell sang Mariah Carey's Vision of Love, and although it wasn't bad, it wasn't good either – which judge Kara DioGuardi immediately pointed out. However, resident pervs Simon Cowell and Randy Jackson both put her through to Hollywood.

Kara sang Vision of Love back to Darrell, to show her how off tempo she was. She told Darrell she didn't have the chops to sing the song, and Darrell snapped back that Kara's version wasn't any better. Oh snap! Check out her audition and fight with Kara.

As Darrell took earned her ticket to Hollywood, Kara seethed, “Next time come naked.”