Selena Gomez has slammed her bully who had posted a hateful cancer message on Instagram, it has been revealed.

The 21-year-old singer stated that one could not dislike someone but to wish something that could happen to them or their family was uncalled for sweetheart, the Mirror reported.

The American songstress added that one could not win anyone heart that way. The message had been since been deleted, but Gomez screen shot her retaliation and posted it for all to see.