Zayn Malik, Louis Tomlinson Zayn Malik, Louis Tomlinson

Things are heating up between Zayn Malik and one of his former One Direction bandmates, Louis Tomlinson.

After some snarky exchanges between Tomlinson and Malik's friend, British music producer Naughty Boy, Malik put in his own two cents.

"Remember when you had a life and stopped making b----y comments about mine" Malik tweeted to Tomlinson.

Zayn Malik shaves head, pays tribute to One Direction

The drama began when Naughty Boy tweeted a photo of himself with Malik captioned "Replace this," a possible dig at the rumor that One Direction might replace Malik, who departed the band in March.

Tomlinson, seemingly in response, posted a tweet, and Naughty Boy replied.

According to People, this is not the first time that the producer and Tomlinson have fought on Twitter. Soon after Malik left One Direction, Tomlinson accused Naughty Boy of trying to "wind [One Direction] fans up," a fight that ended with the producer leaking a song with Malik's vocals called "I Won't Mind." The song was removed the next day.

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