In the age of the Internet, a feud can ignite at the click of a finger.

Demi Lovato posted a tweet criticizing blogger Perez Hilton. The singer did not clarify what compelled her to attack Hilton, but she was blunt with her words.

The controversial celebrity blogger, however, was quick to shed light on what prompted Lovato to call him out.

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He even went as far as to post the private messages shared between Lovato and himself. According to the screenshots, the “Confident” singer was first to make contact.

Hilton continued to throw fire Lovato’s way with a series of tweets addressing the singer, going as far as to call her “petty”.

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Lovato has since replied to the celebrity blogger’s criticism.