The two were seen at a courthouse on Thursday (September 13) where they made their way to the Marriage Bureau.
Another person reckons Justin said: "Thanks for keeping it on the DL [down low]".
In a recent interview with Australia's Stellar magazine, Hailey admitted she was "beyond excited" about her wedding, but didn't share any details.
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Bezos' relative silence was a stark contrast to peers like Bill Gates and Warren Buffett who have given away tens of billions. His net worth has risen by US$64.7 billion this year alone as Amazon's shares surged.
Shortly after the engagement, Bieber took to Instagram to confirm the news, "My heart is COMPLETELY and FULLY YOURS and I will ALWAYS put you first!"
This news comes just two months after Bieber proposed to the model while they were vacationing together in the Bahamas.
The source went on to say that the couple is now legally married, but they plan on holding a larger, more elaborate ceremony with family and friends in the near future.
"I just picture lights strung everywhere", Baldwin said of the wedding. And maybe Justin's little sister as a flower girl.
Metro.co.uk has reached out to Bieber and Baldwin's reps for comment. "And they didn't. I think they love him more than me", Baldwin joked.
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"I think having it in the woods would be so lovely", she said.
Who knows, maybe the pair have decided the time is right, or there could be a totally different explanation for their courthouse visit.
The Canadian crooner and the Arizona-born beauty - who got engaged on July 7 - previously dated off/on in 2015 and 2016, but they've been inseparable ever since June.
As for what Selena thinks, she's busy with her career and has accepted that she and Bieber are over for good.
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The high school senior's reactions went viral the next morning and prompted amateur facial readers to analyze what he was saying. Linfesty says he was just there to meet Trump, shake his hand, and take a photo with him.