Are Justin Bieber and Selena Gomez Feuding Over His New Romance With Sofia Richie?

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Justin Bieber was excited to share a slew of photos of his new flame, Sofia Richie, but the images may have caused a rift between the pop star and his ex-girlfriend Selena Gomez.

Bieber posted seven pics of him and Richie over the weekend, and took issue with the negative comments he received over the images. "I'm gonna make my Instagram private if you guys don't stop the hate this is getting out of hand," the 22-year-old singer captioned the last photo. "If you guys are really fans you wouldn't be so mean to people that I like."

Not long after Bieber shared the pic, fans started posting screen grabs of an alleged comment made by Gomez in response to his caption. "If you can’t handle the hate then stop posting pictures of your girlfriend lol - it should be special between you two only," the purported message reads. "Don’t be mad at your fans. They love you."

According to the alleged screen grabs, Bieber responded: "It's funny to see people that used me for attention and still trying to point the finger this way. Sad. All love. I'm not one for anyone receiving hate."

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Gomez, 24, then allegedly reacted to the news by alluding to infidelity, writing: "Funny how the ones that cheated multiple times, are pointing the finger at the ones that were forgiving and supportive, no wonder fans are mad. Sad. All love."

The alleged screen grab also has Bieber accusing Gomez of cheating on him with Zayn Malik. "I cheated... Oh I forgot about You and Zayn?"

MORE: Selena Gomez Beats Out Ex Justin Bieber For The Most-Liked Instagram of All Time -- See the Winning Pic!

ET has reached out to the singers' reps regarding this alleged Instagram spat. Currently, these comments are not found on the photo sharing site. Bieber, however, is no longer following Gomez on Instagram.

Instead of responding to the alleged screen grabs, Gomez chose to celebrate her fans on Sunday, but disabled the comments option on one particular post. "My whole life. You matter most," she captioned an Instagram photo collage of her interacting with concertgoers. "Thank you for letting me do what I love every day."

The "Good For You" singer was also happily Snapchatting while spending time with her family over the weekend.

Meanwhile, Bieber and Richie were spotted holding hands at Yaesu shopping mall in Tokyo, Japan, on Sunday. Lionel Richie's 17-year-old daughter, who turns 18 on Aug. 24, also shared a photo of the two posing abroad, but disabled all comments from her account.

Getty Images

Earlier this year, Gomez told W magazine that her longtime on-again, off-again relationship with Bieber made her "so exhausted."

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"To me it was: I'm 18, I have a boyfriend, we look cute together, we like that. Then I got my heart broken and I cared," she revealed. "Because people had no idea what was going on, but everywhere it was a million different things I was kind of in a corner, banging my head against the wall. I didn't know where to go."

Gomez added, "I honestly am so done. I care about his health and well-being. But I can't do it anymore."

WATCH: Justin Bieber Threatens to Make His Instagram Private Over Sofia Richie Hate -- Beliebers Are Not Happy!