The X Factor judge has created the line of clothing - short for her tagline 'The Female Boss' - exclusively for the fashion store and it's set to be 'fun, sexy and full of attitude'.
The collection features a mix of neon, statement body-con dresses, skater skirts, leathers, leggings, hooded dresses and bright prints.
The reality TV icon said of her new labour of love: "In the past I wasn't that interested in fashion, but being on The X Factor has made me become much more aware of own my personal style.
"To me, fashion is about having fun and experimenting, and wearing what makes you feel good.
"Girls often ask me where I get my clothes so I thought I'd create my own collection, something that's fun, feminine, full of attitude and that reflects my personality."
The 24-year-old singer can be seen modelling her new retail range, with prices starting at £18 and going up to £60.
She wrote on Twitter earlier: "I'm launching my clothing range #TFB for @BANKfashion LIVE at Westfield White City at 6pm... see you there!"
The range is available to pre-order from www.bankfashion.co.uk from tomorrow (Friday 19) and will then be available at Bank stores nationwide.