Is the X Factor too much for Cheryl Cole?

Filming for the X Factor auditions seems to have caught up with judge Cheryl Cole after paparazzi snapped her looking exhausted, says a report.

The 26-year-old singer looked tired at the end of another intensive boot camp session at London's Hammersmith Apollo, according toThe Sun.

After watching another batech of hopefuls perfom she emerged with follow judge Louis Walsh at 11.30pm looking stunning but missing her trademark smile.

They were then joined by Simon Cowell and Dannii Minogue at a nearby hotel where they worked until 1.30am deciding which contestants will make it through to the next round.

A source has told the Daily Mail that Cheryl is enjoying the new format on this year's show which sees contestants perform in front of a live audience during the early rounds.

The Girls Aloud singer is traveling to Los Angeles between the auditions to work on her first solo album.

She is planning to take some time off next week before heading back to the States to put the finishing touches on her record.

Cheryl will return to our screens when the new series of the X Factorbegins on August 22.