Dear Shawn Mendes and Camila Cabello: I Know What You Did At Coachella. Yup, everyone’s favorite PDA-friendly couple definitely looked really cozy at the music festival, and fans took note. This past weekend, the singers were spotted hanging out, dancing, and even kissing at the California-based event.

This is all happening a little over a year since the couple announced their split in November 2021 via Instagram, per US Weekly. Shawn and Camila’s Coachella reprise could just be a one-off thing, but no one would blame them if they wanted to rekindle the flame—they certainly have history and chemistry together.

So, whatever that kiss meant, here’s what you need to know about Camila Cabello and Shawn Mendes’ entire relationship, from “I Know What You Did Last Summer” to the Coachella kiss.

Summer 2014: The pair meet while opening for Austin Mahone.

Ah yes, as perhaps the most 2014 collection of artists, Fifth Harmony and Shawn Mendes once toured with Austin Mahone (who Cabello actually dated that same year). Shawn was reportedly very isolated during this tour, but Camila was the only one who would speak to him, he said in the couples’ feature with V magazine.

“I didn’t talk to anybody. You were the only person that talked to me. Like, you were the only one of everybody on that tour who would say words to me,” Shawn said to Camila in V.

November 2015: They release their first duet.

Before there was “Señorita,” there was “I Know What You Did Last Summer,” the couples’ first song together. It appeared on Shawn’s debut album Handwritten. Fun fact: they wrote this song backstage at a Taylor Swift concert during her 1989 tour.

This was kind of a big deal, since Camila was still a member of Fifth Harmony at the time the song dropped. It was also the first time the pair spent a “significant time” together, per PEOPLE.

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The pair reportedly wanted to make new versions of this song, too—including “I Know What You Did Last Winter” and “I Know What You Did Last Fall,” they told V. Luckily, their managers advised against it.

Although this was the first moment to spark relationship rumors, Camila told Rolling Stone in 2019 the song simply brought she and Shawn together as friends. “I am very lucky that we wrote the song because I also got a really good friendship out of that,” she told the publication.

November 2015: They deny dating.

In an appearance on the Late Late Show with James Corden, the couple confirmed they weren’t dating, despite releasing a duet together. James Corden asked if they were dating, point-blank, and the pair responded “No” in unison. James pressed the couple further, but neither confirmed a relationship, or even #feelings.

“That’s never going to happen,” Shawn said.

December 2015: Camila and Shawn share an adorable Instagram video.

Long before that infamous make-out video, Camila and Shawn shared a sweet clip together.

May 2017: Shawn showers Camila with Twitter compliments.

Shawn tweeted: “Goosebumps all over,” about Camila’s new solo song “Crying In the Club.”

April 2018: Camila tweets her love back at Shawn.

Shawn continued gushing about Camila in an interview with Beats1. When she heard it, she tweeted: “i shouldn’t be crying at this time in the morning but I AM i love you SO much @ShawnMendes“

June 20, 2019: Camila and Shawn release “Señorita.”

The long-awaited collab was a massive hit and also marked the start of Camila and Shawn’s romance. It had been four years since their first time working on a song together, but this time, sparks actually flew.

“It was this awkward thing where we both liked each other, but we weren’t together,” Camila told Rolling Stone. “It was just weird. An energy was there from the beginning, but after that song, we didn’t spend as much time together. Our paths just didn’t cross in that way romantically until we started hanging out again and writing. For me, it just brought it back.”

June 25, 2019: Camila and boyfriend Matthew Hussey announce split.

If you listen to the steamy “Señorita” lyrics and watch Shawmila’s sizzling chemistry in the music video, this breakup comes as no surprise. Camila and the British relationship coach were together for 18 months before parting ways. They met in February 2018 on the set of Today and made their official red-carpet debut at Vanity Fair’s Oscars after-party in 2019. “He’s so similar to me,” Camila told Marie Claire. “In person, we’re just weird and silly and stupid together. He makes me the happiest I’ve ever been in my life.”

July 4, 2019: Camila and Shawn become inseparable.

A recently single Camila and Shawn were spotted holding hands on the Fourth of July. Throughout their relationship, they were frequently spotted out and about together, including for one very steamy make out sesh in a pool.

Shawn later confirmed this was when the pair started dating during a concert in Australia, per PEOPLE.

August 2019: Camila tells Shawn “I love you.”

Camila shared a sweet birthday message for Shawn on Instagram, writing, “Happy birthday to this magic human, I love you!!!!❤️❤️❤️❤️”

September 2019: Camila and Shawn make out on the ‘gram.

In response to fans saying they kiss like fish, Shawmila shows how they really kiss. And hey, this definitely proves that they’re in love, or at least have the same sense of humor!

November 2019: Camila posts adorable couple photos.

Camila posted plenty of love for Shawn on Instagram while they were together.

“i love u @shawnmendes thank u for being so there for me yesterday and every other day, u have the most caring and beautiful heart in the world ! thanks to all our fans for voting , we love and appreciate you guys so much and are so thankful for you ❤️.”

December 6, 2019: Camila says she’s always loved Shawn.

Camila responds to questions about whether her relationship with Shawn is “true love,” on Entertainment Tonight. “I’ve said that a lot,” she says. “I mean, because I do, obviously, like, I love him in the ‘He’s my boyfriend’ way. But I’ve always loved him. I just love him, you know?”

March 2020: Camila and Shawn quarantine together.

While quarantining together in Miami, Shawmila put on a living room concert for fans with iHeartRadio. Camila shared a clip and her gratitude: “thank you @iHeartRadio for inviting us to honor all of the local heroes who are fighting the spread of COVID-19 at the #iHeartConcertOnFox and thanks @shawnmendes for being best guitarist ever !!!!! ❤️ love you guys

They were also spotted quite a few times on their daily quarantine walks that year.

November 2020: Shawn confirms he wrote an entire album about Camila.

Shawn’s most recent album, Wonder, which was released in December 2020, was written entirely about his relationship with Camila. Shawn also said that “every song” he’s ever written has been about Camila.

“My song comes on the radio or something and I’m like, ‘Everything’s about you. They’re all … They have always been about you,'” Shawn said in the Shawn Mendes: In Wonder trailer, referring to Camila.

November 2020: They adopt a dog together.

The couple revealed they adopted an adorable puppy together in 2020, via Instagram.

Later, the pair said they would “split custody” of the puppy, and were even seen walking the dog together in January 2022, per Page Six.

September 2021: They attend the ‘Cinderella’ premiere together in Miami.

In case you forgot, Camila Cabello starred in the titular role of an Amazon Prime remake of Cinderella, which released in September 2021. Shawn and Camila obviously appeared side by side on the film’s the red carpet for the premiere.

September 2021: They attend their first Met Gala as a couple.

Though Shawn had attended the gala previously (with Hailey Bieber, actually!), Camila hit the Met for the first time with her then-boyfriend at her side.

It was one of the couples’ last major events before their break up.

September 2021: Shawn and Camila sing “Señorita” together at Global Citizen event.

Camila invited Shawn on stage to sing the song with her during her performance at Global Citizen Live in 2021.

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“You know what, I’m gonna try to introduce this next person in a formal way but that’s kind of weird because we know each other pretty well and I think y’all know that we know each other pretty well,” Camila said before inviting Shawn to the stage.

November 2021: They dress up together for Día De Los Muertos.

In one of her last pictures of Shawn on her Instagram (as a couple, at least) Camila shared a super sweet post of the couple celebrating Día De Los Muertos together.

ICYDK, Día De Los Muertos is a Mexican holiday that runs from November 1 to November 2, where families honor loved ones who have died through reunions and celebrations.

November 2021: The pair announces their split.

In a join statement, Shawn and Camila posted on their Instagram stories announcing their breakup.

“Hey guys, we’ve decide to end our romantic relationship but our love for one another as human is stronger than ever ❤️,” they wrote, per PEOPLE. “We started our relationship as best friends and will continue to be best friends.”

March 2023: Shawn denies dating Sabrina Carpenter.

After being spotted on a walk together in February 2023, rumors began circulating that Shawn and Sabrina Carpenter were an item, particularly after the Vanity Fair Oscar’s after party a month later.

Sabrina and Shawn were seen leaving moments apart from the party, but headed in opposite directions. A source told Entertainment Tonight at the time that the two singers were “seeing each other.” In an interview with RTL Boulevard promoting his Tommy Hilfiger collection, Shawn said this was not the case.

“We are not dating, but I think we should talk about Tommy Hilfiger probably more than Sabrina. But thank you,” Shawn told RTL Boulevard.

April 2023: Camila and Shawn are seen kissing at Coachella.

The exes got super friendly at the first weekend of Coachella 2023. Several photos from the event revealed that Camila and Shawn seemingly spent an entire day together at the music festival.

However, a source told Page Six that the kiss does not mean the pair are back together. Shawn and Camila reportedly planned to meet up at the festival, since they were both going. “One thing led to another as the night progressed,” the source told Page Six.

April 2023: Camila shares a new song hinting at the Coachella reunion.

Just days after the two were spotted getting cozy at Coachella, Camila shared a 20-second clip of a new song on her Instagram with the caption “4.12 💐.” The song is saved as “CC June Bloom,” and the lyrics are pretty telling.

“How come you’re just so much better/ Is this gunna end ever/ I guess I’ll f*ck around and find out/ Are you coming to Coachella/ If you don’t it’s whatever/ If you do, honey, it’ll be all I think about,” she sings.

Fans immediately lost it when they heard the Coachella reference, which hinted that the song was about Shawn. And while Camila hasn’t confirmed the rumors, it’s hard to assume it’s about anyone else, especially given Shawn and Camila’s track record for writing songs about one another.

More updates to come soon, but for now, all I’ll say is I’m definitely rooting for these two.