The 'Hello' songstress showed her man some love during her concert, and sparked internet speculation once again.
On Saturday, Adele was filmed walking through the audience talking with fans on the mic, answering questions and joking around.
As seen in videos shared to social media by concertgoers in attendance, she appeared to imply that she and longtime boyfriend, Rich Paul, may have taken things to the next level in secret.
When one fan asked if she could marry Adele, the songstress joked, "You can't marry me, I'm straight, my love. And my husband's here tonight. He's here."
Paul has frequently attended Adele's shows while she's been performing in Sin City -- and the songstress memorably serenaded him in the past, to the delight of the audience.
That being said, the remark about Paul being her husband while rebuffing a random fan's declaration of love is far from any official confirmation that the pair had secretly gotten married.
This isn't the first time Adele has sparked marriage speculation with Paul. Back in September 2022, while celebrating her Emmy win on Instagram, fans of the "Easy on Me" singer spotted what appeared to be an album on her table with the title, "The Pauls."
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Adele has also routinely shown how important and serious her relationship with Paul is for her.
In August, the 35-year-old British chart topper was chatting with fans during a show when one woman asked the "Easy on Me" singer to help her pick a name for her future daughter.
"I really want to be a mom again soon, so every time I see a name I like, I write it down in my phone," Adele revealed to the fan. The singer already shares 10-year-old son Angelo with her ex-husband, Simon Konecki.
The fan notes that she is trying to decide between the names Parker or Spencer for her little girl, and Adele responds, "I can't say Parker because Rich likes that name," and instead suggests Spencer -- implying that she and Paul have discussed the possibility of having kids together in the future.
Adele is currently performing at her Las Vegas residency show, Weekends With Adele, at Caesar's Palace.
Back in August 2022, Adele spoke to Elle about the possibility of expanding her family, saying she "definitely" wanted to have more children in the future.
"I’m a homemaker and I’m a matriarch, and a stable life helps me with my music," Adele said at the time. "But right now, all I got in my brain is Vegas... I wanna f**king nail it."