Celebrate Galentine's Day This Year with Sweet Photos of Our Favorite Celebrity Pals

The actresses often show off their friendship on social media, and Jackson was in attendance for Martin's 15th birthday in September 2019.

The "Riverdale" stars play fan favorites Toni and Cheryl, but off-screen, they're good friends. Petsch was even part of Morgan's wedding party when she got married in January 2020.

Shahidi and Reid have attended many events and red carpets together over the years, but one of their cutest friendship moments was when Shahidi helped her brother Sayeed Shahidi ask the "Euphoria" actress to prom in April 2019.

After costarring on HBO's "Euphoria" together, Zendaya and Schafer developed a friendship off-screen. In an interview with "W" magazine, the model-turned-actress said she and Zendaya "formed a really special bond" while filming the series.

Cyrus and Lovato first met when they were starring on Disney Channel, and their friendship has stood the test of time. "I feel like you've always been such a light, and that's why we connected at 14," Lovato said during Cyrus's "Bright Minded" show. "We connected then because we just saw something in each other. Maybe it was our spirituality, or maybe it was just our hearts."

Another "Euphoria" friendship! Sweeney and Apatow play sisters on the HBO drama, and while their onscreen characters are sometimes at odds, their frequent joint appearances at events and red carpets prove that's not the case in real life!

The two first met at the Super Bowl in 2010 and have been friends ever since. Markle attended a handful of Williams's matches at the US Open and Wimbledon and Williams was front and center at Markle and Prince Harry's nuptials in 2018. She also recently appeared in the couple's Netflix documentary, "Harry & Meghan."

After meeting through Woody Harrelson, Stone and Lawrence have developed a friendship over the years. They have given us a few glimpses of their quirky relationship with their funny videos and red carpet appearances.

Nicole Kidman and Reese Witherspoon played friends on HBO's "Big Little Lies," and the ladies are just as close in real life. Back in June 2016, Kidman opened up about their friendship, telling "E! News," "I love her . . . We have so much in common and we're very close. I'm lucky to have her as such a good friend."

Hayek and Cruz have been pals for years and starred together in 2006's "Bandidas."

That's right, Serena van der Woodsen and Emily Charlton\ are friends in real life. In addition to attending events like New York Fashion Week together, Lively and Ryan Reynolds have gone on a few double dates with Blunt and John Krasinski.

On the flip side, Camp and Snow have remained pals since playing onscreen besties in the Pitch Perfect trilogy. Camp even served as a bridesmaid during Brittany's nuptials to (her now-ex) Tyler Stanaland in March 2020.

Their iconic friendship dates all the way back to 1976 when they were both working at a TV station in Baltimore, and they have been BFFs ever since.

While Tisdale and Hudgens played total frenemies in the High School Musical movies, they couldn't be closer in real life. Even long after their Disney Channel days, the two are still good friends. Hudgens was even a bridesmaid in Tisdale's wedding.

The two have given us several glimpses of their cute friendship, both on and off screen. In addition to Witherspoon's 2017 cameo on "The Mindy Project," the two starred together in 2018's "A Wrinkle in Time," and Kaling had a recurring role on Witherspoon's "The Morning Show" with Jennifer Aniston. Mindy is even set to write the script for "Legally Blonde 3."

Cabello has always been a big Swiftie, but they became friends when Hailee Steinfeld introduced them. Cabello even opened for Swift during her "Reputation" stadium tour and has attended a handful of award shows with her.

The Black Panther franchise costars have developed a strong bond over the years. "There's something kindred here," Gurira said about her relationship with Nyong'o. "Our interests and how we put stories out into the world, it's just constantly meeting."

Reinhart and Mendes don't just play BFFs on "Riverdale": they're also pals in real life. Since starring on the CW series, the actresses have given us plenty of glimpses of their friendship on social media and on the red carpet.

There's a serious theme among these BFFs: costars to forever friends. This is definitely the case with "Stranger Things" castmates Millie Bobby Brown and Sadie Sink.

Though their "Killing Eve" characters have a complex relationship, Oh and Comer are real-life friends off-screen.

After playing sisters on "Game of Thrones," the ladies developed a fast friendship. Williams was even the maid of honor for Turner's wedding to Joe Jonas in July 2019.

Jenner and Hadid have taken BFF goals to a whole new level with their incredible street style and their ongoing collection of sweet moments together. While we're not exactly sure when these two became close, Hadid has gone on record saying that the one thing she really "respects" about Jenner is that she's "really helpful" and "the most low-maintenance person."

Schumer and Lawrence are the two friends we all wished we had. In addition to being incredibly talented, these women are the epitome of friendship goals and have a bevy of hilarious moments under their belts.

Aniston and Cox bonded while filming "Friends" back in the early '90s and have remained close ever since. Aniston is even the godmother to Cox's daughter, Coco Arquette.

Pinkett Smith and Queen Latifah's friendship goes way back. They first met as teenagers and eventually shared the screen together in 1996's "Set It Off." They reunited on screen in the hit 2017 film "Girls Trip."

These two ladies have been close since their early days in the spotlight, and have a lengthy list of cute moments under their belts. In 2009, the "Good For You" singer opened up about their relationship to Seventeen, saying, "Every single problem I ever have is healable by Taylor Swift! If I ever I have an issue, Taylor has gone through it, because she's older than me, and she gives the most thought-out answers . . . We literally talk every day."

The funny ladies shared the screen on "Saturday Night Live" for years, but their friendship actually got started in the '90s while they were both studying improv in Chicago.

Barrymore and Diaz's friendship was cemented on the set of the first Charlie's Angels film in 2000. They both attended each other's weddings and have supported each other in their professional endeavors as well.

The leading ladies have given multiple glimpses of their close friendship, as they often support each other at various events.

The two stars were first introduced through their hairstylist, Riawna Capri, who told the ladies they "had to meet," and ever since then, they've practically been inseparable.