June 25, 2018 12:50 PM

Offset just dropped a major bombshell about his relationship status — and a marriage certificate seems to confirm the news.

After Migos picked up the award for best group at the BET Awards on Sunday night, the rapper, 26, gave a surprising shout-out to Cardi B when he called his pregnant fiancée, who was not present at the awards show, “my wife.”

During his brief speech, Offset remarked, “Thank God, I thank my wife, you should thank yours.”

TMZ reports that the two are, in fact, married — and have been for nine months. The site obtained a marriage certificate showing that Kiari Kendrell Cephus and Belcalis Marlenis Almanzar — a.k.a. Offset and Cardi B — were wed Sept. 20, 2017 in Atlanta, Georgia. The ceremony went down in their bedroom, the site reports, and says the only witness aside from the officiant was Cardi’s cousin.

A month later, Offset proposed onstage with an 8-carat diamond ring …  but the couple had already reportedly made it official.

Reps for Cardi B and Offset did not immediately return PEOPLE’s request for comment.

RELATED: BET Awards 2018: The Complete List of Winners

Takeoff, Quavo, and Offset
LOS ANGELES, CA - JUNE 24: (L-R) Takeoff, Quavo, and Offset of Migos accept the Best Duo/Group award onstage at the 2018 BET Awards at Microsoft Theater on June 24, 2018 in Los Angeles, California. (Photo by Kevin Mazur/Getty Images for BET)

RELATED: Offset Isn’t Intimidated by Cardi B’s Accomplishments: ‘I Wanted Real, I Also Wanted Successful’

While his comments may have prompted some fans to question whether the pair had secretly tied the knot, on Saturday the “Be Careful” rapper seemingly confirmed that the pair still had a lot of planning to do before they could say “I do” — or at least have the big party.

“Baby shower planning makes me not even wanna do a wedding,” Cardi B wrote on Twitter.  “S— soo overwhelming.”

Of course, this isn’t the first time Offset has referred to Cardi B as his wife.

While sharing a pearl of wisdom about how to make relationships work in a recent interview with Rolling Stone, the Migos rapper said, “Guys, fellas! You’ll lose your wife trying to stop them from being the best they can.”

Opening up about their relationship, he added. “We really love each other. She’s real. I wanted real. I also wanted successful.”

Offset and Cardi B
John Parra/Telemundo/NBCU Photo Bank

During the interview, the pair also shared a few hints about what kind of baby shower they’re planning, as they have one final rager before their daughter makes her debut early next month.

“I want a lit baby shower. My baby shower’s not starting at no 5:00. My s— is going to start at 9 p.m. because that’s how I celebrate, that’s how Caribbean people celebrate,” Cardi B told the magazine with a laugh.

“I don’t like baby showers that be at 5 p.m. in the backyard, eating, cooking hors d’oeuvres. Nah,” she added. “S—, I might even drink some red wine. Red wine’s healthy, right?”

Cardi B and Offset
Gilbert Carrasquillo/GC Images

While the rapper went on to reveal on social media that she was initially planning on having two baby showers — one in New York and one in Atlanta — her doctor put a stop to that.

“I was planning to have 2 babyshowers …One in NY and one in Atl but my doctor told me i can’t fly nomore,” she wrote last week. “Now I have to fly 60 people to Atlanta.”

“I always bragged about having 2 big families until now,” she remarked, adding plenty of unhappy emoji faces throughout the message.

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