He relocated to Los Angeles when he was 17 years old, where he did a variety of odd jobs, including selling vacuum cleaners and working at a liquor shop. A fascination with the concept of becoming a member of a band led him to finally join the group ‘Sister. After recording a demo with the group, he was sacked from the group, along with another bandmate, Lizzie Grey, for their actions. Their collaboration resulted in the formation of the group ‘London,’ in 1978. He left the band after a short period of time. In 1980, he quit the group and formed the rock band ‘Motley Cure’ with Tommy Lee, Mick Mars, and Vince Neil as founding members. The next year, they recorded their first studio album, ‘Too Fast for Love,’ which was released under the band’s own record label, Leathers Records, the following year.

“Shout at the Devil” was released on September 26, 1983, and it was the band’s second studio album that cemented their place as a household name throughout the United States. It was during this period that they published many albums, including ‘Dr. Feelgood,’ a breakthrough album that peaked at number one on the Billboard charts in 1989 and ‘Theatre of Pain. The band was doing incredibly well at this time, but Sixx had developed a heroin addiction and had visited a number of rehabilitation clinics by this point. On October 1, 1991, the band published a compilation album named ‘Decade of Decadence’, which included all of their successful songs from the previous decade. Three years later, they produced a self-titled album with the addition of John Corapi, who remained with the band until he was dismissed in 1996.

The band’s seventh heavy metal album, ‘Generation Swine,’ was released in 1997, and it was the band’s seventh studio album overall. After two years, Tommy Lee departed the band and founded a temporary group called ‘Methods of Mayhem,’ which stood for ‘Methods of Mayhem’. Randy Castillo has been appointed to fill his role. In the year 2000, the group reworked all of their songs and put them together in an album named ‘New Tattoo,’ which was released. ‘The Dirt,’ written by Sixx in the following year, was hailed as a best-seller and referred to the band as “the world’s most renowned rock band.”

In 2000, he founded project 58, which is an alternative project that operates on the internet. Along with Dave Darling, Steve Gibb, and Bucket Baker, he formed this organization. The trio published their first album, named ‘Diet for a New America,’ as well as a single, titled ‘Piece of Candy,’ in support of the album. During the Motley Cure’s sabbatical, Sixx and Traci Guns founded the band ‘Brides of Destruction,’ which existed from 2002 to 2004. They issued an album titled ‘Here Come the Brides,’ which became an instant success. In October 2004, the band decided to take a sabbatical while Sixx rejoined the ‘Mötley Crüe’ for a brief period of time.

The ‘Motley’ Cure reassembled for the first time in 2004. Following a two-year hiatus, the band embarked on a reunion tour, which included all of the original members. A year later, in 2006, he founded the band “Sixx: A.M.,” which was originally created to record an audio supplement to his autobiography, “The Heroin Diaries: A Year in the Life of a Shattered Rock Star.” The book was released the following year. In 2008, they announced the first-ever ‘Cure Fest,’ which included Sixx’s side project ‘Sixx: A.M., Bunchberry, Papa Roach, and Trap’, as well as other notable acts from the metal world. It was also in same year that they released ‘Saints of Los Angeles,’ their tenth studio album.

From February 8, 2010, he began hosting his own radio programmed, titled ‘Sixx Sense with Nikki Sixx,’ which was broadcast on all major rock and alternative music stations nationwide. Two years later, the programmer was transferred to a new time slot in the morning. Additionally, he has a weekend radio show called “The Side Show with Nikki Six,” which is in addition to his main radio show, “The Nikki Six Show. “The heavy metal band ‘Motley Cure’ released their first album, titled ‘Too Fast for Love,’ in 1992. However, it was re-issued under the Elektra Records label the following year, after originally being released under Leathers Recordings. The record was certified platinum by the Recording Industry Association of America and peaked at number 77 on the Billboard 200.