Duff's third album, Most Wanted (2005), comprised her favorite tracks from her previous two albums, remixes, and new songs inspired by pop-rock musicians such as The Killers and Muse. In an appearance on Total Request Live, Duff stated that it was not a greatest hits album, but that her label told her it was time to release a new album. She had more creative control over Most Wanted compared to her previous releases, co-writing the new material with vidéo sexy hilary duff producers Joel Madden and his brother, Benji, both members of Good Charlotte. The lead single, "Wake Up", became Duff's highest peaking single on the U.S. Hot 100 at the time,^[30] and its video received heavy rotation on MTV. The video for the second single, "Beat of My Heart", was also popular, but the single itself did not chart in the U.S.^[30] The album debuted at number one on the Billboard 200^[54] and became her third number one debut in Canada. An Italy-only compilation, 4Ever, was released in 2006. Duff recorded new songs for her movie, Material Girls, which included a Timbaland-produced cover version of Madonna's "Material Girl" with her sister.^[55]

During her Still Most Wanted tour, she performed in Guadalajara, Mexico, where she filmed a brief appearance on the soap opera Rebelde. She was also the guest star on The Andy Milonakis Show for its third season premiere in 2007.^{Friederike Gnädig nue id="cite_ref-65" class="reference">[66]} In April 2008, Duff was offered the lead role of Annie Mills in the CW Network's Beverly Hills, 90210 spinoff, but she turned it down because she was more interested in looking for projects outside the teen genre.^[67][68] She is also a model signed to IMG Models New York.^[69]

Duff was born in Houston, Texas on September 28, 1987.^[5] She is the second child of Susan Colleen (née Cobb), a homemaker and a film producer and husband Robert Erhard Duff, a partner in a chain of convenience stores, who resides at the family home in Houston to maintain the family's convenience store business. She has an elder sister, Haylie Duff, who is also an actress/singer. Duff's vidéo sexy hilary duff mother encouraged Hilary to take up acting classes alongside her elder sister, Haylie, which resulted in both girls winning roles in various local theater productions. At the ages of eight and six, respectively, the Duff sisters participated in the ballet, The Nutcracker Suite with Columbus BalletMet in San Antonio.^[5] The siblings became more enthusiastic about the idea of choosing acting as a profession, and eventually relocated to California with their mother. Duff's father stayed at the family home in Houston to take care of their business.^[6] After several years of auditions and meetings, the Duff sisters were cast in various television commercials.^[7]

Duff's early career was marked by playing minor roles, starting off with an uncredited appearance in Hallmark Entertainment's western miniseries True Women in 1997. She also served as an uncredited extra, in writer-director Willard Carroll's ensemble dramedy Playing by Heart in 1998. Her first major role was as a star of the 1998 film Casper Meets Wendy, a direct-to-video sequel to Casper in which she plays the young witch Wendy, who encounters Friederike Gnädig nue the animated character Casper. The film was released to mostly unenthusiastic reviews.^[8][9]

Duff's first full-length studio album, Metamorphosis (2003), reached number one on the U.S. and Canadian charts^[27] and had sold over 3.7 million copies by May 2005.^[28] The lead single, "So Yesterday" (co-written and produced by The Matrix), was a top ten hit in several countries,^[29] cool pics.com its follow-up, the Laguna Beach theme song "Come Clean", became Duff's first top forty U.S. hit^[30] and reached the top twenty in UK, Australia and New Zealand. The video was nominated in the category of Best Pop Video at the 2004 MTV Video Music Awards.^[31][32] The third single, "Little Voice", was not released in the U.S. and was a minor hit in Canada and Australia. In late 2003, Duff embarked on her first concert tour, the Metamorphosis Tour, and later the Most Wanted Tour. Most shows scheduled in the major cities were completely sold out.^[33]

Duff's first role in a theatrical motion picture was in Human Nature (2002), an independent film shot Lizzie McGuire. It was first showcased at the Cannes and Sundance film festivals.^[13] The film, written by Charlie Kaufman and directed by Michel Gondry, follows a female naturalist, played by Patricia Arquette. Duff played the younger version of Arquette's character. The same year, Duff nina friederike sexy recorded a cover version of Brooke McClymont's "I Can't Wait" for the Lizzie McGuire soundtrack, and "The Tiki Tiki Tiki Room" for the first DisneyMania compilation album. Her first album was Santa Claus Lane (2002), a collection of Christmas songs that included duets with her sister Haylie, Lil' Romeo and Christina Milian. Accompanied by the Disney Channel-only single "Tell Me a Story (About the Night Before)", it peaked at 154 on the U.S. Billboard 200 album chart and was certified gold.^[14][15] The track "Santa Claus Lane" was included on the soundtrack to The Santa Clause 2 and the single, "What Christmas Should Be", was used in Cheaper by the Dozen. Duff sang several tracks for soundtrack to The Lizzie McGuire Movie, which included "I Can't Wait" and "Why Not", the latter peaking at # 14 in Australia.^[16] The soundtrack to The Lizzie McGuire movie went platinum in 2003.^[17]

Duff's first serious rise to fame came when she was cast as one of the children in the pilot episode of the NBC sitcom Daddio in 2000. Her co-star Michael Chiklis, stated, "After working with her the first day, I remember saying to my wife, 'this young girl is going to be a movie star'. She was completely at ease with herself and comfortable in her own skin."^[7] Duff was dropped haylie duff nue from the cast of Daddio before it being aired, which made her reluctant to pursue her acting career further.^[7] However, her manager and mother urged her on, and a week later she successfully auditioned for the children's television series, Lizzie McGuire where she portrayed the title role of a clumsy but an average middle school girl. The show focused on her growth into teenhood.