United Kingdom, Feb. 8 -- Brandi Carlile's "moral code" was behind her decision to perform at the Super Bowl.

The 44-year-old star will sing America the Beautiful at the NFL showpiece in California on Sunday (08.02.26) between the New England Patriots and Seattle Seahawks and explained that she felt it was imperative to represent the queer community at one of the biggest sporting events on the planet despite the turbulent political atmosphere in the US.

Brandi - who has daughters Evangeline, 11, and Elijah, seven, with her wife Catherine Shepherd - told Variety: "I have my own moral code, my own moral imperative, that I have to answer to at the end of the day, as a wife and mother, and I believe in my ability and responsibility to do th...