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".
Cheryl's parents were together for more than a decade but never married; they separated when she was eleven years old.
Cheryl auditioned for the reality television show Popstars: The Rivals in 2002, which aimed to create a boy band and a girl group to compete for the Christmas Number One spot on the UK Singles Chart.
Alexandra Burke, Rihanna, Will Young, Snow Patrol and will.made appearances.
Cheryl was interviewed during an episode of the fourth series of Piers Morgan's Life Stories, in which she discussed her marriage and divorce with Ashley Cole and her life-threatening battle with malaria.
Their singles "I'll Stand by You", "Walk This Way", and "The Promise" charted at number one.
Two of their albums reached the top of the UK Albums Chart: their greatest hits album The Sound of Girls Aloud and 2008's Out of Control, both of which entered the chart at number one, with over one million copies of the former being sold.
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.
The group was also named the United Kingdom's biggest selling girl group of the 21st century, with over 4.3 million singles sales and 4 million albums sold in the UK alone.
Born and raised in Tyneside, she rose to fame in late 2002 upon winning a place in girl group Girls Aloud after participating in ITV's Popstars: The Rivals.
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").
"The Flood" was released as the album's second single and entered the charts after its official release at number 18.