Justin Bieber and Orlando Bloom's feud could soon be reignited.

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Two years after their infamous Ibiza brawl, Bieber and Bloom are both expected to be in attendance at Monday night's Grammy Awards--Bieber as a performer and Bloom as the date of singer Katy Perry, and according to a new report, Selena Gomez is concerned.

“Selena doesn’t want to be anywhere near Justin or Orlando if they have a run-in at the Grammys,” a source told Hollywood Life on Thursday.

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“She is dreading the possibility [of a run-in],” the source continued.

In 2014, during a trip to Ibiza, Spain, Bloom reportedly tried to punch the 21-year-old singer due to his alleged involvement with his ex-wife, Miranda Kerr. However, the drama between them doesn't end there. In addition to rumors of a fling between Bieber and Kerr, there have also been claims of a romance between Bloom and Gomez, whom Bieber dated for years. In fact, Gomez was present just weeks ago when Bloom celebrated his birthday with friends in Los Angeles.

That said, her friendship with Bloom doesn't exactly mean she'd have his side in the argument. According to the source, Gomez is fairly neutral.

“She, of course, would never outright diss Justin or take sides,” the source said, “but she has tons of respect for Orlando. She thinks very highly of him.”