Let there be no questions or debate, a source told E! News today, Kara DioGuardi is returning to American Idol.

"Her deal is done. There are no ifs, ands or buts," the insider said. "Done. She will be back."

No word yet on the terms of the contract, but rumors have been swirling for weeks about DioGuardi's status on the Fox competition.

She'll start shooting a new round of Idol auditions in the next week or so.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.