Selena Gomez and Benny Blanco toast engagement in new Instagram video

Benny Blanco and Selena Gomez toast their love.

Blanco, 36, shared one Instagram video on Saturday, December 14, of the happy couple clinking champagne glasses together. In the very short clip, Gomez, 32, smiled widely and her engagement ring sparkled as she toasted her fiance, who proposed on Wednesday, December 11.

The music mega-producer soundtracked their champagne toast with Gomez’s 2015 song “Good for You,” specifically the part where she sings “I’m on my marquise diamonds.” Fittingly, Blanco proposed to Gomez with a large marquise diamond set on an eternity band.

The toast appears to have taken place during their Dec. 11 engagement picnic, which included Gomez’s favorite meal from Taco Bell.

“It was very her,” a source told PEOPLE exclusively about the special moment. “It was a total surprise to Selena.”

Later in the evening, the couple had an “impromptu gathering” with their friends and family to celebrate their occasion, the insider added.

“Benny and Selena were so excited to share the news right away with their loved ones,” the source said. “It’s such a real partnership between them.”

The Only murder in the building the star shared the big news with her followers on Instagram with the caption of a series of picturesincluding her ring, with “forever begins now.”

The engagement post has received more than 21 million likes, and many A-listers cheered the couple on the next step in their love story.

“Yeah, I want to be the flower girl,” her friend Taylor Swift replied.

“BABY!! Congratulations sweet mommy!” Jennifer Aniston commented

Cardi B also commented, “Waiiiitttt hold tight ” to which Lily Collins replied, “Ahhhhhhhh yes yes yes yes!! Best news ever. Couldn’t be happier for you both .”

Gomez’s Only murder in the building costars also chimed in.

Steve Martin shared a photo of himself, Martin Short and Gomez on Instagram on Thursday, December 12, captioning it: “Congratulations to Benny and Selena, from her two weird uncles.”

Gomez and Blanco began dating in December 2023, and she confirmed their relationship when she “liked” the couple’s fan account post on Instagram. They had already known each other for years after collaborating on “I Can’t Get Enough” with Tainy and J Balvin in 2019.

The couple made their red carpet debut at the 2024 Emmys in January.

In November, Blanco opened up to PEOPLE about her relationship with Emilia Perez star during his interview for the edition of Sexiest Man Alive.

“I have a really best friend that I can do anything with and every day is the best day of my life,” Blanco said of Gomez.