Camila Mendes is no longer single, and the lucky man is a familiar face from her work life.

The former Riverdale star, 31, is now engaged to Rudy Mancuso, her co-star from the film Música. Mancuso, 33, proposed on Friday, as reported by People.

The couple made a stunning appearance at Glen Powell’s birthday celebration, hosted at the iconic Chateau Marmont in Los Angeles. Mendes drew attention not just for her charm but also for her exquisite engagement ring, which features a large diamond elegantly mounted on a sleek silver band.

Radiating happiness, Mendes and Mancuso entered the event hand-in-hand, with Mancuso tenderly kissing his fiancée on the cheek, a sweet display of their affection.

In a delightful twist, Mendes was completely caught off guard by the proposal.

“She believed she was attending a birthday celebration for her producing partner, Rachel Matthews,” an insider shared with People. “To her surprise, it turned out to be an engagement party instead.”

Camila Mendes is officially off the market — and her fiancé just happens to be one of her costars

The Riverdale alum, 31, said ‘yes’ to her Música co-star Rudy Mancuso, 33, who popped the question on Friday, according to People; (pictured Friday)

According to an insider, the actress had no idea the proposal was coming; (pictured 2024)

‘Rudy proposed to her in front of their family and friends.’

And the festivities didn’t stop there. 

‘Around 11 p.m., they were still celebrating, so they went to Glen Powell’s tracksuit-and-tequila-themed birthday party,’ the insider added.

Like Mendes, Mancuso wears many hats — musician, actor, and filmmaker among them. 

Before breaking into Hollywood, he first gained traction on Vine back in 2013, where his quick-witted comedy clips made him a viral name. 

From there, he transitioned to longer-form sketches on YouTube, where his channel now boasts nearly 7.4 million subscribers and more than a billion views.

More recently, Mancuso co-wrote and directed Música, a semi-autobiographical coming-of-age film with Amazon Studios and Wonderland Sound and Vision. 

He also stars in the project — opposite none other than Mendes herself.

Mendes’ sparkling new engagement ring — a large diamond set on a sleek silver band — took center stage

‘She thought she was going to a birthday party for producing partner Rachel Matthews, but it was a surprise engagement party instead,’ a source said

She was later linked to her Riverdale co-star Charles Melton, with their romance lasting from 2018 until late 2019

The couple first sparked dating buzz in November 2022, when the Do Revenge star posted a snap of Mancuso planting a kiss on her cheek. 

They didn’t make things Instagram official until Valentine’s Day the following year. ‘Meu valentine. te amo so much,’ Mendes captioned a photo of the two sharing a kiss.

Before Mancuso, Mendes dated photographer and director Ian Wallace from 2013 to 2017. 

She was later linked to her Riverdale co-star Charles Melton, with their romance lasting from 2018 until late 2019.