Born on April 3, 1986, as youngest of the three children, to a family excelling in Dentistry, Amanda Is an American actress who retired from acting prematurely. Her dad, Rick Bynes, is a Catholic retired dentist while her mother Lynn, an office manager is Jewish. Bynes was conceived in Thousand Oaks, State of California.

She debuted on television when she was shortlisted to work on All That, an indigenous live comedy sketch show in the year 1994.Her talent in various roles got noticed throughout the life of this show until it came to end in the year 2000. In the year 1999, Amanda Due to her towering demand and fan following got a show of her own on similar lines named The Amanda Show telecasted on Nickelodeon. The show came to an end in the year 2002, as Amanda geared up to star on the big screen.

She portrayed the role of Kaylee in the American youth based comic movie Big Fat Liar in 2002. The year 2002 brought more success for Amanda, as she played the lead, Holly Tyler, the younger sister in What I Like About You, an American soap mainly based on what happens in the life of two sisters. The show lasted over 86 episodes the last episode telecasted on March 2016.

The following year, Bynes was seen as Daphne Reynolds in the comic flick, What a Girl Wants. In the year 2006 Amanda featured as Viola Hastings, a soccer enthusiast in the comic drama She's the Man alongside, not so well-known back then actor Channing Tatum.

The year 2007 brought two movies from Amanda. In the first half of 2007, she portrayed Penny Lou Pingleton in musical comedy Hairspray. In the second half, she acted the lead role of Sidney White, in the movie Sydney White and the Seven Dorks, a romantic comedy film.