the star will be joined by Katy Perry, Miley Cyrus, Justin Bieber, among others
Martyn Hett was a member of the singer's 'Lambily'
Lifting spirits and raising money for a great mission
the singer admits videos do 'enhance music'
Perry's team allegedly removed some performers at the trio's request
'Late Late Show' host James Corden gave heartfelt tribute to victims
the pop star's single 'Swish Swish' is rumored to be about Taylor Swift
the song famously references Holly Woodlawn and Candy Darling
the couple have been dating since 2008
the 'Malibu' singer would have only been 15 at the time of the lip-lock
