Justin & Hailey UNDER PRESSURE

SPECULATION ABOUT THE STATE OF THEIR SIX-YEAR MARRIAGE HAS PUSHED JUSTIN AND HAILEY BIEBER TO THE BRINK!

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Are the Biebers on the brink of An a breakup? "It doesn't look like things are going too well," TikToker Sloan Hooks declared in a Dec. 29 video that quickly racked up more than 5 million views. After seeing a clip Hailey posted on social media seemingly showing her on vacation in Anguilla with pals, the content creator further speculated that the couple "aren't spending the holidays together."

Hailey and Justin weren't having it. The Rhode beauty founder used another TikTok video to pointedly respond on Dec. 30, writing, "Me to all of you on the Internet," atop a clip of a man laughing and repeatedly saying, "You're not well and it's OK." Days later, Justin offered his own relationship proof of life, writing, "Goin anywhere with u bb," alongside an Instagram photo of Hailey, 28, wearing a bikini, a fur coat and a "Happy New Year" headband on Jan. 1. He also posted a pic of himself planting a kiss on her neck on Jan. 4. "Their relationship has been scrutinized since the beginning," notes a source. "It was a lot to deal with in those early days, especially for Hailey, who felt a lot of insecurity over constant comparisons” to his ex Selena Gomez, 32.