Because he freaking loves Zayn! That’s their song! Why else would Niall hug Liam in the beginning before the song started? Why else would he start crying? He never looks into the crowd in the beginning of You and I.
BRADFORD BAD BOY
STICKING OUT HIS TOUNG IN PICS
HIS LITTLE DANCE
‘MY NAME IS ZAIN, IM GONNA BE SINGING LET ME LOVE YOU BY MARIO’
'SIMON I CAN’T DANCE’