Lauren Jauregui Sings ‘If I Ain’t Got You’ Perfectly on ‘X Factor’Lauren Jauregui Sings ‘If I Ain’t Got You’ Perfectly on ‘X Factor’After a montage of awful 'X Factor' auditions - Simon even compared a group to a time when he sat on two cats -- we knew we were in for a good audition with Lauren Jauregui.Alexandra CapotortoAlexandra Capotorto