Brian Austin Green has Megan Fox’s back.
The actor blasted Machine Gun Kelly after the rapper implied he is in contact with their mutual ex amid her pregnancy.
Green, 51, urged MGK to “be honest” in a scathing Instagram Story upload on Sunday.
The “Beverly Hills, 90210” alum re-posted an image describing how MGK, 34, had “call[ed] out” TMZ’s narrative that he and Fox, 38, are “not on good terms” ahead of welcoming their first baby together.
“Bro,” Green wrote. “Just be honest for once in your life. Stop caring so much about how you’re perceived that you will try and drag other people.”
MGK’s rep has yet to respond to Page Six’s request for comment.
The rocker seemingly hit back at headlines last week when he shared shirtless Instagram photos looking out a window with a cryptic caption.
“How can ‘sources say’ when the sources haven’t said anything,” he wrote on Tuesday.
The social media slideshow came hours after TMZ cited insiders claiming the pair “aren’t even speaking to each other.”
The outlet also alleged that Fox “finally came to her senses by shutting him out of her life.”
The duo broke up over Thanksgiving weekend while on a trip to Vail, Colo., with Page Six reporting that the actress “found text messages” from other women in his phone.
The Grammy nominee reportedly “understands he hurt her” — while denying cheating — and “has reached out to Megan because he deeply loves her.”
Their shock split came weeks after Fox debuted her baby bump in her Instagram pregnancy reveal.
“nothing is ever really lost. welcome back,” she wrote alongside maternity shoot snaps in November 2024, referencing the on-again, off-again couple‘s previous miscarriage.
MGK is already a dad as he shares daughter Casie, 15, with his ex Emma Cannon.
As for the “New Girl” alum, she and Green co-parent Noah, 12, Bodhi, 10, and Journey, 8, since calling it quits in 2020.
Green, who settled his divorce from Fox in 2021, slammed MGK in December 2024 and told him to “grow up” (via TMZ).
“In your 30s, like, f–k. Grow up. Like, she’s pregnant,” the “BH90210” star said at the time. “I just want the best for her. I want the best for the baby. I want the best for our kids. That’s a shame.”
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