Unspecified threats reportedly led to the change of heart.
Macklemore & Ryan Lewis and Tyler, the Creator are also nominated at the fourth annual awards show.
Self-titled debut by P. Diddy-backed B5 also hitting stores this week.
Music TV News
Teen finalists premiere their potential coronation songs amid drama about Alaina's vocal cords.
Singer will join Seann William Scott and Johnny Knoxville in her feature-film debut.
David Evans, a senior and the team's captain, turned himself in Monday.
A grand jury handed down two sealed indictments Monday.
McAdams joins Sarah Jessica Parker, Diane Keaton and Luke Wilson in 'The Family Stone.'