Tyra Banks is allegedly regretting handing over her huge gig as host of America's Next Top Model to singer Rita Ora! Apparently, the British beauty cannot take the heat, and the supermodel wants her to pack her bags and go.

A source told Life & Style that though Tyra initially said last year that Rita is the "perfect" host for the popular series, the 26-year-old was not as ready for the position as Tyra anticipated.

"There was hope that Rita would revive ANTM's ratings" for the 23rd season, "but after a promising start, the numbers dwindled."

And when Tyra, who remains as the executive producer, found out about the reason behind the sliding rating could be partially Rita's fault, as she was "sometimes unprepared," said an insider, Tyra "was furious."

While a VH1 rep told Life & Style Rita is "a total pro" and they are "thrilled to have partnered with her," we have a feeling there may be more to this story.