First, i've gone to one of Zayn's concerts and he does lipsync as well which is fine. Most all artists do it now on outdoor venues and they'll usually sing along with their tracks. Justin didn't lipsync to all his songs other than the ones he was dancing in which again is fine with me. I love Sting. He's my favourite, but again he lipcynced as well... and Taylor, even Grande and again that's fine.