3. Zayn Malik
This image appears in the gallery:
Stars Who Were Internet Viral Sensations In 2015!
5. 3. Zayn Malik
Where do we start? Zayn has to be the biggest heartbreaker of 2015. First he broke the hearts of teenage girls across the world when he made a shocking departure from One Direction back in... THEN he broke the heart of his fiancee Perrie Edwards by ending their two year engagement with Little Mix star Perrie Edwards less than two months later!