The singer has teamed up with German brand LR to create her self-titled 'ethical' scent.
"Leona has had a lot of approaches about launching her own perfume, but she wanted to make totally sure she would be working with an ethical company," a source told The Sun.
"She has had a big hand in helping to create the fragrance and the design of the bottle and now she can’t wait to see it in the shops."
In a promotional video for the new scent, the star revealed her enthusiasm for the new venture.
"I am so thrilled to have the opportunity to work on such an exciting project," she said.
"I am passionate about what I do and it is important for me to give the best I can to my fans all of the time. I love my new fragrance and I already love LR."
Lewis recently announced her plans chart her rise to fame in an autobiography.