Ashley Michelle Tisdale

During the late 1990s, Tisdale made guest appearances in several television series, which including George Lopez, Smart Guy, 7th Heaven, Grounded for Life, Boston Public, Strong Medicine, Charmed, and Beverly Hills, 90210. She had a minor role in the 2001 film Donnie Darko and made a guest appearance on The Amanda Show. She had recurring roles on the sitcoms The Hughleys, and Still Standing. In 2005, Tisdale was cast in the role of Maddie Fitzpatrick on The Suite Life of Zack & Cody after auditioning for the roles of Maddie Fitzpatrick and London Tipton. As the series became popular, Tisdale became a featured performer on the Disney Channel and performed a voice role in Whisper of the Heart.
Tisdale was cast as Sharpay Evans in Disney Channel Original Movie High School Musical. She reprised her role as Sharpay Evans in High School Musical 2 which premiered on August 17, 2007 and will reprise it again in High School Musical 3: Senior Year. She appeared in the Disney Channel Games 2006 as captain of the Green Team. Tisdale has a supporting role in the Disney Channel series Phineas and Ferb, voicing Candace. Tisdale also appeared in the two episodes of MTV's Punk'd.

MTV News confirmed in an interview that her movie is titled Picture This, which was released on DVD in 2008. Also, Tisdale is credited as one of the executive producers of the movie. Tisdale made a special appearance in the credits of the movie Bring It On: In It to Win It, where she performed her single "He Said She Said". The Hollywood Reporter reported that she will star in 20th Century Fox's new adventure comedy, They Came From Upstairs along with Robert Hoffman and Carter Jenkins.

Tisdale's role in High School Musical required her to perform several songs. Her contributions to the High School Musical Soundtrack included "What I've Been Looking For", "Bop to the Top", and "We're All in This Together". All three managed to chart on the Billboard Hot 100. Tisdale made music history being the first female artist ever to debut with two singles simultaneously on the Billboard Hot 100 with "What I've Been Looking For" and "Bop to the Top". Later, she recorded a cover version of "Some Day My Prince Will Come" alongside Drew Seeley for a DisneyMania album. Tisdale signed a record deal with the label Warner Bros. Records, starting her solo career. Before releasing her debut album, Tisdale covered the hit single "Last Christmas" (originally by Wham!) and released it in 2006 as the first single in her deal with Warner Bros. Records.

Tisdale launched a worldwide tour with the rest of the cast of High School Musical in fall 2006, performing the songs from the soundtrack album as well of three songs from her debut album, which was released on 2007. A DVD and a live album named High School Musical: The Concert were released in 2007, featuring only one of the three songs performed by Tisdale in the tour, "We'll Be Together", as well "He Said She Said" and "Headstrong".