Boy George, Taylor Momsen, and Gary Barlow are among the stars joining the line-up for the forthcoming A Bowie Celebration: Just For One Day! virtual concert in honor of the late David Bowie.Comedian Ricky Gervais and Ground Control – a supergroup made up of Slipknot’s Corey Taylor, Foo Fighters’ Taylor Hawkins, and Jane’s Addiction’s Dave Navarro and Chris Chaney – join a stellar bill of previously announced stars, including Adam Lambert, Gavin Rossdale, Duran Duran, Yungblud, Peter Frampton an