This was the singer's final concert stop
The video has gone viral
One Direction singer touring solo debut album
The singer is known to hold the Pride flag onstage
the singer talks about an attraction to men and women on the track
the former One Direction member has supported the LGBT community in the past
Be ready to cough up hundreds for good seats at A-lister shows
the singer got candid about his views on gay issues
Mix of politicians and celebrities had the top tweets for 2015