Alex & Sierra's most-loved performances from X Factor 5 brand-new full-length cover songs No Alex & Sierra covers are currently available for sale or streaming "Toxic" has 38 million views on Youtube and has never been recorded or released. The 3 original songs with a pop-leaning direction. US Tour being planned for this Fall Press coverage includes The Today Show, Access Hollywood, E! News, NY Times, Glamour, Teen Vogue, People, Idolator and more