is launching her own jewellery line.
The 'Simple Life' star, who gave birth to her daughter Harlow in January, has designed a range of accessories
Nicole said: "It's all costume jewellery. I like to play with jewellery and mix and match. I am working with this really talented woman named Shelley Gibbs. She's an artist and she sketches everything."
The 26-year-old star insists Harlow, her first child with fiancé Joel Madden, remains her priority and she fits her work schedule around her daughter.
Nicole said: "Everyone has been really mellow and able to work around my schedule. If I need to go feed the baby, I do it."
Nicole isn't the first star to design a jewellery range for Mouawad.Heidi Klum
has released a collection of clover-shaped lucky charms for the company.
Other celebrities to endorse jewellery ranges include Christina Aguilera, who is the face of Stephen Webster's latest collection, and Kylie Minogue, who promotes Spanish jewellery and accessories brand TOUS.
Earlier this month, it was claimed Nicole was planning to design her own line of maternity clothes.
A source close to the star said: "Nicole is determined to bring out a line of clothes, with the focus being on maternity wear. Her line is going to be clean and simple, with emphasis on clothes that flatter the figure without drawing attention to the fact the wearer is pregnant."