#CANCELYOURENGAGEMENTZAYN trending world wide
|source via:-google search, what's trending, the hashtag #CANCELYOURENGAGEMENTZAYN is trending on twitter|
There is no reason why this hashtag is trending have a look go to twitter.
There are many ways in which we can promote hashtags and make it viral.
This hashtag got viral due to the friends which zayn has every one of them have a huge numbers of followers.
If each of them just re tweeted this automatic it can reach huge population.