It wasn't working well enough to stay together, but there was still a lot of love involved.It was just a slow set-in of us not being the match that we used to be. I think everyone should have something where you know it's not exactly what you're looking for but you just have a wicked good time," she explains.In addition to singing, Duff has also written and co-written several songs for her sister Hilary's first two studio albums, Metamorphosis.In 2012 she started her own blog called "Real Girl's Kitchen", which was later picked up by the Cooking Channel and made into a show in 2014.She is also the older sister of American singer and actress Hilary Duff.Duff's mother, Susan Colleen Duff (née Cobb) is a film producer who was a co-executive producer of A Cinderella Story (2004), a producer of The Perfect Man (2005) and Material Girls (2006), and the manager of Hilary; she was previously a homemaker.Duff also sang "A Whatever Life" for the Stuck in the Suburbs soundtrack and "Sweetest Pain" for the Raising Helen soundtrack.
She also lent her voice talent to the Christmas animation film In Search of Santa which again, featured sister Hilary.
Between 20, Duff appeared in various films and TV roles, including; Fear Island, Tug and Slightly Single in L. Duff hosted the reality show Legally Blonde: The Musical – The Search for Elle Woods, which searched for an actress to take over the lead role in Legally Blonde: The Musical where she had been in the chorus.
Duff has recorded numerous singles for various soundtracks with her sister, with most of them appearing on the Disneymania discs.
By the age of eight, Duff landed a role in the Houston Metropolitan Dance Company's production of The Nutcracker Suite.
Duff's early career started by making guest appearances on made-for-television films such as True Women and on TV series such as The Amanda Show.