Joe Jonas is not thrilled about his ex-girlfriend Gigi Hadid reportedly dating Zayn Malik.

In fact, he's so upset that he recently deleted an old photo he posted with the former One Direction guy that he had captioned, "Squad." We guess real squad members don't date their friend's ex less than a month after they call it quits.

RELATED: Joe Jonas Drastically Changed His Hair After His Breakup From Gigi Hadid – See the Pic

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We reported that Gigi and Joe broke up on Nov. 4, and the 20-year-old model was spotted holding hands with Zayn just yesterday. Ouch.

Click through the gallery to see more stars who deleted photos after they posted them online.