2018:
- Released the album "Kings & Queens of the Underground"
- Embarked on a co-headlining North American tour with Steve Stevens
2019:
- Performed at the Isle of Wight Festival in England
- Continued touring in Europe and North America
2020:
- Released the album "The Roadside"
- Scheduled to perform at the Sonic Boom Festival in the UK
- Due to the COVID-19 pandemic, some scheduled concerts were postponed or canceled
2021:
- Resumed live performances in the United States
- Announced the release of his memoir "Dancing with Myself," scheduled for publication in October 2021
2022:
- Continued touring in the United States and Europe
- Released a limited-edition vinyl version of "Kings & Queens of the Underground"
- Released a new single titled "Bitter Taste" from an upcoming album
2023:
- Scheduled to perform at several music festivals and concerts in Europe, including the Isle of Wight Festival and the Sweden Rock Festival
- Continuing his touring schedule with Steve Stevens
Billy Idol's current activities and upcoming projects may have evolved since my last update, so I recommend checking official sources, such as his website or social media pages, for the most recent and up-to-date information.