The music video for "Just One of the Guys" was released on July 15, 2014 through GQ and stars Lewis, Anne Hathaway, Kristen Stewart, Brie Larson, and Tennessee Thomas, former drummer of The Like (now disbanded). In 2010, Lewis formed the duo Jenny and Johnny with her then-boyfriend, musician Johnathan Rice, and the pair released an album titled I'm Having Fun Now on Warner Bros. In 2015, Rice and Lewis wrote the song "Cold One" for the film Ricki and the Flash.
On July 8, 2014, Lewis began her "The Voyager" tour at the Ottawa Bluesfest in Ontario, Canada.
On April 18, 2009, Lewis performed at the Coachella Valley Music and Arts Festival in Indio, California.
On May 5, 2009, Lewis performed on The Late Late Show with Craig Ferguson.
Lewis appeared in over a dozen teen movies, such as Troop Beverly Hills and The Wizard in 1989.
She was featured in the 1996 made-for-TV movie Talk to Me with Yasmine Bleeth, as well as the films Foxfire, Big Girls Don't Cry... She played the part of Evangeline "Eva" Saint Claire in the 1987 film version of Harriet Beecher Stowe's novel Uncle Tom's Cabin, and also appeared in 1988 made-for-TV film set in Vienna at the start of the Holocaust, A Friendship in Vienna.
She provided original music and also included older music from her previous band, Rilo Kiley, such as the song, "Go Ahead".
(Rock was eventually replaced by Jason Boesel.) In an interview with NPR's All Songs Considered, Lewis remarked that she wanted to name the group Love's Way (after her parents' lounge act in Las Vegas), but Sennett "didn't go for it." Beginning with a country sound, Rilo Kiley gravitated toward a downbeat indie rock sound, gaining the attention of Warner Bros., who signed the band for the release (via its own imprint, Brute/Beaute Records) of their 2004 album More Adventurous, which gained the band some success.In 2002, Lewis was asked to contribute vocals for The Postal Service.Lewis performed in the video for the hit "We Will Become Silhouettes", and toured with the band in 2013.and has released three solo albums; Rabbit Fur Coat (2006), Acid Tongue (2008) and The Voyager (2014).She performed as part of the duo Jenny & Johnny with then boyfriend Johnathan Rice and is currently a member of the rock trio Nice As Fuck.She played Beverly D'Angelo's daughter in the 1996 made-for-TV film Sweet Temptation.She continued acting until 1998, although the last released film – Don's Plum, filmed 1995–96 – was not released until 2001.In 2008, Lewis contributed backing vocals to several songs on the Elvis Costello and the Imposters album Momofuku.In 2008, Lewis voiced the role of the Assistant Director for Walt Disney Pictures' Bolt and provided the song "Barking at the Moon." In March and April 2009, Lewis traveled to Australia for the first time, as an act for the V Festival, as well as a supporting act for Snow Patrol and performing one solo Sydney show.In 2003, Lewis contributed vocals to several tracks on the Cursive album The Ugly Organ.In 2005, Lewis contributed to the UNICEF benefit song "Do They Know It's Hallowe'en? In 2006, Lewis made a cameo in Episode 25, Season 1 of Bob Dylan's Theme Time Radio Hour, and six of her songs (three with the Watson Twins and three with Rilo Kiley) were featured in various episodes of the show.