In February 2014, Jade put her career on hold to care for her mother Jacqueline after she was diagnosed with an aggressive form of cancer.

[4] Jade further explains the meaning behind the title; “When I wrote ‘Nine’, I wanted to get a sense of positivity in even the darkest moments so it came with the reference of being on cloud 9 or a cat with nine lives.

[8][9][10] The song, "Armour", originally the b-side to "Shake That", was released as a stand-alone promotional single to digital retailers and streaming services on 14 August 2015.

[13] In Marcus Floyd's review for Renowned for Sound, Nine was described as following "the same pop formula most X Factor winners put out", which was thought to be "not necessarily a bad thing but it's predictable."

Floyd described "Shake That" as "not bad but it could have been more", and that "upbeat tracks like "Born to Be Alive" and "Wait For It" would have made better singles, except they lack the higher-selling names."