With Sneaker Pimps she was featured prominently in both the songs and the music videos for the album Becoming X (the group finding fame following the release of the hit single "6 Underground").
[3] After leaving Sneaker Pimps, she moved on to a solo career under the name Kelli Ali after her father who had passed away before the release of Becoming X.
[6] In April 2006, she travelled to Japan to record and write tracks with Hoshino Hidehiko from Buck-Tick and Cube Juice for the band Dropz.
[7] The same year, producer Paul Oakenfold recorded the Kelli Ali penned song "Faster Kill Pussycat" with actress Brittany Murphy.
On 30 December 2017, Ali posted an update to the site, stating, "Thanks to you, all the filming for Ghostdriver was completed and the edit is in full swing, all songs written and in the later stages of production.
[13] In the album release announcement, Ali also revealed that her former Sneaker Pimps bandmate and notable producer and engineer Liam Howe contributed extensively to the mix and additional production of the album, notably marking the first collaboration between two original Sneaker Pimps band members since their disbandment.
In September 2019, Kelli Ali appeared as a main feature in the Visual Collaborative electronic catalogue, in an issue themed Vivencias which translates to "Experiences" in Spanish.
[15][16] In 2021, Ali's song "Rocking Horse" appeared on the soundtrack of the six-part Netflix thriller series Behind Her Eyes.