Hewitt began her acting career as a child by appearing in television commercials and the Disney Channel series Kids Incorporated.
She rose to fame for her role as Sarah Reeves Merrin on the Fox teen drama Party of Five (1995–1999).
Production on the film was slated to begin in the summer of 2011, but no further announcements about the film have been made as of January 2015. 6 in Australia, remaining there for two weeks, However, nothing has of yet come of the reports.
She also starred alongside Ivan Sergei and Joel David Moore in the independent comedy Jewtopia (2012). Hewitt has remained mostly absent from the music industry, but in 2013, she recorded a cover of "I'm a Woman" to promote the second season of The Client List and shot a music video for the song, which reached the top ten in the i Tunes Music Video chart.
Hewitt and her co-stars gained popular exposure from the film.
She appeared in the sequel I Still Know What You Did Last Summer (1998), which, though not as successful as the first film, took in more money on its opening weekend.
She has released four studio albums, including Love Songs (1992), Let's Go Bang (1995), Jennifer Love Hewitt (1996) and Bare Naked (2002).
Her most successful single on the Billboard Hot 100 is the 1999 release "How Do I Deal", which peaked at number 59.
She was photographed at several events with Wilson while they were together.
In addition to acting, she has served as a producer on some of her film and television projects.
As a singer, Hewitt has been signed by Atlantic Records and Jive Records, and is primarily known for her recordings in the pop genre.
She played Pierce Brosnan's daughter in a pilot for NBC called Running Wilde (1993), which featured Brosnan as a reporter for Auto World magazine, whose stories cover his own wild auto adventures.
However, the series was not picked up and the pilot never aired.