In Hollywood, unexpected friendships always seem to be forming. Sometimes, co-stars end up forming a tight bond. In other cases, celebrities end up expanding their social circles after being in the industry for long periods of time. Well, in the case of Nina Dobrev and Julianne Hough, their close friendship just formed naturally.

As you know, Dobrev is best known for her role in the TV show, “Vampire Diaries”. Meanwhile, Hough is an actress who has starred in films such as “Rock of Ages,” “Dirty Grandpa,” and “Safe Haven.” She is also a dance pro on the hit ABC show, “Dancing with the Stars.”

Both women lead incredibly busy lives. Nonetheless, their friendship remains very strong to this day. Here’s a look at 15 things we learned about Dobrev and Hough’s friendship:

15 The Two Women Met Through Their Hairstylist

While speaking with E! News, Hough explained, “We've known the same person, Riawna Capri, who cuts and colors and does our hair. She's like, 'You guys have to meet.' We've just been like joined—connected at the hip.” Capri is also the co-owner of the Los Angeles based Nine Zero One Salon. Her other clients includes Selena Gomez and Ruby Rose.

14 They Experienced Heartbreak Around The Same Time

Dobrev had broken up with costar, Ian Somerhalder, while Hough ended her relationship with Ryan Seacrest. However, when Cosmopolitan asked her whether it’s nice to be friends with someone who also went through a breakup, Dobrev explained, “That's not what our friendship is about. Unfortunately, that's how it's perceived, but there's more to us. People aren't defined by their relationships. The whole point is being true to yourself and not losing yourself in relationships, whether romances or friendships”

13 The Women Don’t Really Talk About Girlie Stuff And That’s How Nina Likes It

While discussing her friendship with Hough, Dobrev told Cosmopolitan, “It's been cool to find an active buddy – there are lots of girlie girls around. We don't talk about makeup; we talk about life.” And while they don’t really talk about makeup, it must be noted that the two women always look incredible on the red carpet.

12 When Nina Was Feeling Like A Wreck, Julianne Abandoned Her Own Launch Party To Be By Her Bestie’s Side

While doing an interview with the Chicks In The Office podcast, Dobrev never really got into detail about why she was so upset. Instead, she said, “The girl was...her single just came out Transform, she was having a launch party and this whole thing, she performed it for the first time. And I didn't realize that that was that night and I was going through something and I texted her and she literally left her own launch party to come, like, be the shoulder for me to cry on at my house.”

She added, “That's a best friend. That's a true friend.”

Related: Here’s Why Vampire Diaries’ Paul Wesley Has Turned To Directing

11 Julianne Also Rushed To Nina’s Side When Nina Ended Up In The Emergency Room

According to Good Morning America, Dobrev suffered a severe allergic reaction, which landed her in the hospital. During her hospital stay, Hough came by to hang out with her best friend. She also took photos of Dobrev and posted them on Instagram, with the message, “Who would I be at the Emergency Room with on a Sunday night?! Thank god I went to visit this little sheesh!” Fortunately, Dobrev recovered.

10 Nina Once Expressed Complete Approval Of Julianne’s Husband, Brooks Laich

At one point, Dobrev took to Instagram, saying, “As one of her best friends I can safely say that Brooks has from day one always had all of our stamps of approval. A fellow Canadian with a heart of gold, he is the real deal. He's the kind of strong man Julianne needed in her life. He balances her in the best way possible and brings out the best in her. Around Brooks, Julianne became the best version of herself and I've never seen her happier.”

9 Nina Dated Julianne’s Brother, Derek, Briefly

According to reports, the two only dated for about six weeks. Moreover, an insider told E! News, “It was nothing serious. There was no drama.” An insider also told Us Weekly that Derek Hough and Nina Dobrev's relationship "played itself out". Meanwhile, the breakup never affected Dobrev’s friendship with Derek’s sister. A source said, “Julianne understands — there are no hard feelings.”

8 Nina Never Forgets Julianne’s Birthday, Although She Doesn’t Always Seem To Be Around

In a post made by Dobrev on Instagram for Hough’s birthday, she said, “I feel like every year on July 20th for some reason or another I’m not in the same city, state, country or continent as you and that makes me SO sad. I just wanna hug you and shower you with birthday love on this monumental day... because it is the day of your birth and that makes today the biggest celebration EVA!”

Related: 15 Forgotten Facts About Nina Dobrev And Ian Somerhalder’s Relationship

7 Nina Was Once Rumored To Be Joining Her Bestie On “Dancing With The Stars”

Apparently, Hough would be more than happy for her best friend to become one of the celebrity contestants on the show. A source even told Hollywood Life, “Nina has been asked by both Julianne and Derek to join the show. And if she does it next season Derek will be her partner. And Nina is really considering it. If she doesn’t have a job by the fall she will do it.”

6 Nina Was A Bridesmaid At Julianne And Brooks’ Nuptials

Dobrev was more than happy to share brief footage of the wedding on Instagram, with the caption, “I have been trying to contain my excitement, but I'm thrilled that I can finally share a few magical moments from her beyond beautiful (to dream and die for) wedding. I knew that her cheeks would hurt the next day because she was grinning so wide all day. And they did. Juliannes smile never faded, not for a single second.”

5 The Women Have Bonded Over Being Dog Parents

During an interview with People, Hough revealed, “We’re already parents, we already have kids. They’re just furry kids.” She added, “We’re those moms that take our kids everywhere.” Meanwhile, Dobrev remarked, “We are goofy, we like to laugh, we like to play with our dogs and hang out and watch movies and get ready together and go places together.”

4 Nina Is Supportive Of Julianne Joining Oprah’s 2020 Tour

While hanging out with Hough backstage and wearing a visitor's pass, Dobrev snapped a series of photos with her bestie. Posting them on Instagram, she wrote, “What’s better than 1 juju? 4 jujus! @juleshough #Oprahs2020VisionTour”.

Hough announced her collaboration with Oprah back in 2019, writing, “Are YOU ready to discover the best version of yourself?! I am beyond excited to be joining @oprah and @ww.now on "Oprah's 2020 Vision: Your Life in Focus” tour!”

Related: 15 Photos Of Julianne Hough When She Was Caught Off Guard

3 They Have No Problem Getting Silly Together

Earlier this month, a series of photos were posted to Nina Dobrev's Instagram account, that showed her and Hough getting silly while at Mammoth Mountain. In one photo, Dobrev playfully lifts one leg up while leaning on her best friend. In the post, she wrote, “I can’t believe this is illegal now.” Meanwhile, Hough responded, “That leg has always been illegal.”

2 They May Be Good Friends But It Appears That Julianne Doesn’t Always Respond To Nina’s Text Messages

For “America’s Got Talent,” Hough was once asked to participate in a phone game. One of the first things she was asked to do was to find the last text message she sent, and this turned out to be quite a challenge. Hough finally said, “This is really bad. I’m a terrible friend.”

After that, Hough was asked to call a friend and deliver a knock-knock joke. She called Dobrev and Derek, but neither answered. Hough then remarked, “I have no friends, because I don’t respond to their text messages.”

1 The Women Are Clearly Missing Each Other Badly During This Quarantine Period

As you know, celebrities have also been staying home since the Coronavirus pandemic changed everyday life. Taking to Instagram, Hough posted a series of photos with her bestie, Dobrev. She accompanied her post with the message, “Missing this babe of a best friend basking in the full moon beauty and light.” In response, Dobrev wrote, “Miss you too babe.”

Next: 19 Little Known Facts About Julianne Hough’s Brother, Derek