Fresh after her Project Runway win, Leanne relocated to New York City where she continued to develop her line. Her collections have shown at New York Fashion Week and fashion weeks around the globe every year since 2008. Leanne has designed clothing for television, editorial and her favorite client, the real woman. Her work has been seen on Paula Abdul and the X Factor. Her dresses and gowns have graced the pages of Martha Stewart Weddings, US Weekly, The Post, TV Guide, The New York Times, People, Elle, LIFE, National Geographic, Lucky and countless others. She is proud to have designed high fashion patterns for Simplicity Pattern Company.

After years of designing custom bridal gowns, Leanne officially launched her signature bridal line in 2011. The sophisticated designs are known for their light, flowing lines, feminine details and timeless elegance. Each dress is handcrafted in the USA using only the highest quality materials. The Leanne Marshall Brand is a staple for the bride who wants a dress that will showcase, not overshadow, her beauty. Attention to high quality standards, proper flattering fits and silhouettes, and her unique ethereal approach to bridal have made Leanne a go-to for the modern bride. The bridal collection is carried in over 18 boutiques internationally and online. In 2014, she released an exclusive selection of dresses with BHLDN.