Britney Spears on The X Factor USA | Pictures

Britney Spears Critiques Contestants During X Factor's Diva Night

The judges hit the stage at the top of the show.

The X Factor put their 12 remaining contestants through the wringer last night when they had to perform songs from music's greatest divas like Celine Dion, Mariah Carey, and Tina Turner. Judges Britney Spears, Simon Cowell, Demi Lovato, and L.A. Reid sat front and center while the hopefuls pulled out all the stops to save themselves from elimination. First up was Jennel Garcia, who set a high bar with her performance of "Proud Mary." Next, fan favorite Tate Stevens took on Shania Twain's "From This Moment On." Britney's team of young adults, made up of Diamond White, Beatrice Miller, Arin Ray, and Carly Rose Sonenclar, made her proud with four impressive ballads.

The night was full of highlights, though there was a tense moment when L.A. gave harsh criticism to Cece Frey's rendition of Celine Dion's "All by Myself." Demi, who mentors Cece, fired back at L.A. and challenged his opinion. We'll have to wait and see if Demi's support was enough to save Cece from elimination when the show returns tonight with a results episode that also includes a performance from Taylor Swift.