Millie Bobby Brown's co-stars came running up that hill right after she announced her engagement.

Shortly after the Stranger Things star shared she got engaged to Jake Bongiovi, her co-stars from the Netflix series were among the first to chime in with their best wishes for the pair. Noah Schnapp, who plays Will Byers, landed one of the top comments, writing, "OH MY GOD CONGRATS." Jamie Campbell Bower (otherwise known as Vecna) also shared the love, adding a slew of red heart emojis.

Additionally, co-star Cara Buono (Karen Wheeler) noted her heartfelt wishes, commenting, "Beautiful! So happy for you!"

As far as the sweet announcement itself, Enola Holmes star, 19, shared black-and-white pics of herself and Jake, 20—whose dad is rocker Jon Bon Jovi—to Instagram on April 11. The actress' caption for her heartwarming photos, one of which featured a glimpse at the stunning ring diamond ring placed on her left finger, included lyrics from Taylor Swift's song "Lover."

But there's even more romance where that came from.

Keep reading for a cute look back at Millie and Jake's relationship.

Millie and Jake enjoyed a day out with her sister Ava Brown, 11, and friends at the Six Flags Over Georgia theme park.

Millie and Jake were spotted out to dinner at Don Angie in New York City's West Village in June 2023, where they were joined by Millie's parents Kelly and Robert Brown. 

Millie announced the couple's engagement on Instagram, quoting Taylor Swift's song "Lover." The two would go on to celebrate with family and friends at an engagement party weeks later.

Jake marked Millie's 19th birthday on Feb. 19, 2023 with a sweet tribute, writing, "Another year around the sun together happy 19th to the girl of my dreams."

The sweet post included photos of the couple.

The pair's silly side is depicted in one image of Jake and Millie clowning around in the pool

Jake and Millie snuggle up in a romantic selfie.

Millie shared photos of the couple in celebration of the New Year, writing, "endlessly in love with the year I've had."

One snapshot showed a photo booth strip of the loved-up couple.

As Millie put it, "grateful for my friends, family, donkey (bernard), my doggies, my puppies teeth, and my partner for life."

Millie and Jake were twinning at the premiere of Stranger Things season four in New York City.

Millie and Jake make their first joint appearance at a celebrity event—the 2022 BAFTA Film Awards in London.

"We're starting a band," Jake wrote on Instagram, "send name ideas."

Jake posted this photo, with the caption, "bff <3"