Music News John Mayer celebrates one year of sobriety by replacing alcohol with marijuana 10/25/2017 John Mayer celebrated one year of sobriety Tuesday on Twitter by sharing a motivational message to his fans. Read More RELATED NEWS From Tokyo to Las Vegas: Taylor Swift's flight to Super Bowl LVIII'Chucky' Season 3 trailer released by USA Network and Syfy'Quantum Leap' Season 2 visits L.A. riots, Salem Witch Trials, and more TAGS: John Mayer