Singer says the Academy "nominated this issue" by recognising 'Till It Happens to You'
Singer speaks following Bowie tribute performance at the Grammys
Bowie's son appeared to criticise the performance
The singer appeared with her hair dyed orange in homage to the late icon
US pop star has iconic 'Aladdin Sane' image inked onto her side
The singer is set to perform a medley of Bowie hits at the Grammys next week
The singer has revealed all about her rendition of The Star-Spangled Banner
Singer performed ahead of the showdown between the Carolina Panthers and Denver Broncos
Gaga is singing the stars and stripes at the Super Bowl tonight
American Football spectacular takes place on Sunday (February 7)