• Keanu Reeves and Alexandra Grant made their first public appearance as a couple in 2019. 
• However, according to Grant, the pair had been close since 2011, when Grant gave Reeves a book she wrote.
• Here's a timeline of the notoriously private couple's relationship.

2011: Grant gave Reeves a book called "Ode to Happiness."

The artist revealed in a 2020 interview with Vanity Fair that her closeness with Reeves began after she gifted him the book over a decade ago. 

"The book was made as a surprise, by me, for Keanu, as a private gift. All our friends sitting in the room got the giggles when I gave it to him — they said, 'Please publish it!' So that's how we got into publishing," Grant explained in the 2020 interview. 

According to Vanity Fair, "Ode to Happiness" is "a playful guide to climbing out of depression" that combines text by Reeves with drawings by Grant. They later followed it up with a sequel, called "Shadows." 

As Grant revealed, she and Reeves were inspired by their collaboration to open a publishing house (X Artists' Books) together, and subsequently grew closer. 

May 2019: Grant and Reeves walked the red carpet at a benefit for the Museum of Contemporary Art in Los Angeles.

The duo made an appearance together at the gala, but the actual nature of their relationship remained largely unknown to the public.

June 2019: The couple attended the Saint Laurent fashion show together in Malibu, California.

Grant and Reeves turned heads in matching all-black ensembles, and even held hands while posing for photos in front of the open ocean.

November 2019: Grant and Reeves made their relationship public for the first time.

The couple walked the red carpet together at the LACMA Art and Film Gala, and the internet immediately exploded with speculation about Grant's identity, and joy for Reeves, who'd had a rocky romantic history before being linked to Grant. 

Sources told ET that during the event, the two enjoyed catching up with friends — including Will Ferrell and Viveca Paulin, his wife — during cocktail hour and that Grant asked a friend to take a photo of her and Reeves on her phone.

March 2020: Grant gave a candid interview about her relationship with the actor.

In the interview with Vogue, Grant spoke about the public's reaction to her relationship with Reeves and how she was dealing with the newfound fame. 

"I think every single person I knew called me in the first week of November, and that's fascinating," she told Vogue. "But the question I've been asking in all of this is: 'What is the opportunity for good?'"

The artist also spoke about her decision to keep her hair naturally gray, her upcoming work, and her thoughts on love and marriage.

"Love at every level is deeply important to my identity... I do not believe that isolation is the way," Grant said. "There is a period of isolation that I do as a painter, but I deeply value the experience of being in relationships."

June 2022: The couple made a rare appearance together on the red carpet of the MOCA Gala.

Grant wore a form-fitting red dress, while the "Matrix" star kept it classy in a dark blue suit. The couple looked very much in love while on the red carpet, and held hands while posing for several photos.

March 2023: Reeves opened up about his relationship in a new interview.

When asked by People what his last "moment of bliss" was, Reeves said it had occurred recently and involved Grant, whom he called "my honey." 

"We were in bed. We were connected. We were smiling and laughing and giggling. Feeling great. It was just really nice to be together," the star revealed at the time. 

April 15, 2023: Reeves and Grant shared a rare moment of PDA on the red carpet.

During a red carpet ahead of the April 2023 gala for Los Angeles' Museum of Contemporary Art Gala, the "John Wick" actor and Grant kissed on the lips while posing for photos. They were also pictured smiling at one another and laughing. 

The red carpet was one of the few times Reeves and Grant had been photographed being physically affectionate with one another. 

September 2023: Grant weighed in on sharing the spotlight with Reeves in an interview.

Grant, an accomplished artist in her own right, said building her career before meeting Reeves made it easier for her to share the spotlight.

"The good news about falling in love as an adult is that I had built my own career by the time that my relationship had begun. I feel very confident in the relationship on the red carpet. I feel confident on it alone," she told People.

Grant also praised Reeves' creativity, and said it inspires her own creative process.

"What I love about Keanu and our exchange is that we're pushing each other to build new roads. Seeing the other person's problem-solving is inspiring, like, 'Oh, well, okay, this one, that's a cul-de-sac. How do I try this other thing?'" she said, adding of Reeves: "He's such an inspiration to me. He's so creative, he's so kind. He works so hard."

November 2023: Reeves and Grant once again walked the red carpet together at the annual LACMA art + film gala.

The couple were all smiles as they held hands and posed for photos at the event in Los Angeles. Grant wore a striking black dress with a cutout at the front, while Reeves looked sharp in a classic tuxedo.

Four years earlier, they'd made their relationship public at the same event.

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