Cheryl became a judge on the UK version of The X Factor in 2008.
She mentored two of the eventual winners of the competition (Alexandra Burke in series 5 and Joe Mc Elderry in series 6), before resigning in 2011 and joining the panel of the American version, which she left during the auditions stage.
While still in the group, she began a solo career in April 2009, and between then and 2014, she released four studio albums – 3 Words (2009), Messy Little Raindrops (2010), A Million Lights (2012) and Only Human (2014) – which collectively produced ten singles, including five number ones ("Fight for This Love, "Promise This", "Call My Name", "Crazy Stupid Love" and "I Don't Care").
Together with Jess Glynne, Cheryl holds the record for the British female artist with the most number one singles.
which entered the charts at number two and was certified platinum by the British Phonographic Industry (BPI) later the same year.
Their singles "I'll Stand by You", "Walk This Way", and "The Promise" charted at number one.
On 30 November 2002, she was the first contestant to qualify for the girl group, joining Nadine Coyle, Sarah Harding, Nicola Roberts and Kimberley Walsh to form Girls Aloud, following the final public vote.
The group's debut single "Sound of the Underground" peaked at number one on the UK Singles Chart, becoming the 2002 Christmas Number One over boy band One True Voice's "Sacred Trust / After You're Gone".
They also hold the record for "Most Consecutive Top Ten Entries in the UK by a Female Group" in the 2008 edition, and are credited again for "Most Successful Reality TV Group" in the 2011 edition."Everyone", featuring Dizzee Rascal, was slated as the third single and was to be released on 21 March 2011, The programme, hosted by Holly Willoughby, featured music and interviews with Cheryl and some of her favourite performers.Alexandra Burke, Rihanna, Will Young, Snow Patrol and will.made appearances.Girls Aloud's collaborations with Brian Higgins and his songwriting and production team Xenomania earned the group critical acclaim, due to an innovative approach to mainstream pop music.The group amassed a fortune of £30 million by May 2010.