Singer Jennifer Lopez had earlier expressed her desire to see him or Mick Jagger in her place as a judge. "Jon wouldn't commit to anything unless he can give 100 percent. With planning for the next album already underway, he's focused on the band."
"With all systems go for a new album and a mega-tour on the horizon, Jon wouldn't be able to give those aspiring singers the guidance they deserve," the source added.
Spotted: Kriti Sanon at spa in Juhu
'Look' how the Sheena Bora case has taken a toll on Indrani Mukerjea
Photos: Katrina Kaif, Parineeti Chopra, Shilpa Shetty's movie outing in Juhu
Birthday special: 14 Bollywood actors who made it big on TV
Photos: Vaani Kapoor, Poonam Pandey, Sana Khan at fashion event