Britney Spears makes first official public outing with boyfriend Sam Asghari

Britney Spears recently made her first official public outing with boyfriend Sam Asghari.

The "Make Me..." singer stepped out on Thursday for the Sir Stello fashion show at the Beverly Hilton hotel to support Asghari's sister, Fay, who was walking in her first-ever runway show. The show was part of Los Angeles Fashion Week.

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The adorable couple, who met on the set of Spears' "Slumber Party" music video last year, appeared to be having the time of their lives and were all smiles as they proudly watched the show.

See photos of them together at Los Angeles Fashion Week:

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Britney Spears sits front row with boyfriend Sam Asghari
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Britney Spears sits front row with boyfriend Sam Asghari
BEVERLY HILLS, CA - MARCH 16: Singer Britney Spears attends Art Hearts Fashion LAFW Fall/Winter 2017 - Day 3 at The Beverly Hilton Hotel on March 16, 2017 in Beverly Hills, California. (Photo by Arun Nevader/Getty Images)
BEVERLY HILLS, CA - MARCH 16: Singer Britney Spears attends Art Hearts Fashion LAFW Fall/Winter 2017 - Day 3 at The Beverly Hilton Hotel on March 16, 2017 in Beverly Hills, California. (Photo by Arun Nevader/Getty Images)
BEVERLY HILLS, CA - MARCH 16: Singer Britney Spears attends Art Hearts Fashion LAFW Fall/Winter 2017 - Day 3 at The Beverly Hilton Hotel on March 16, 2017 in Beverly Hills, California. (Photo by Arun Nevader/Getty Images)
BEVERLY HILLS, CA - MARCH 16: Singer Britney Spears attends Art Hearts Fashion LAFW Fall/Winter 2017 - Day 3 at The Beverly Hilton Hotel on March 16, 2017 in Beverly Hills, California. (Photo by Arun Nevader/Getty Images)
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Spears, 35, showed off her toned legs in a little black dress with long lace sleeves and a major cutout above her cleavage. Her long blonde hair was swept to one side, and she finished the look off with simple black pumps. Asghari, 23, looked trendy in white jeans, black high-top sneakers and a patterned navy button-up shirt.

The outing comes a little over a week after the pop legend took to her buzzed-about Instagram account to wish Asghari a happy birthday on March 3. In the post, Spears shared an adorable photo of herself posing with Asghari during a couples hike, a photo of his birthday cake and a silly Snapchat selfie with her man.

My baby's birthday 💜 @samasghari

A post shared by Britney Spears (@britneyspears) on

"My baby's birthday," she captioned the Instagram slideshow.

Asghari and Spears have been enjoying each other's company since filming the music video, which co-starred singer Tinashe, back in November. Asghari plays Spears' hunky love interest in the playful clip, which sees her crawl towards him on a table before licking up (literally) spilled milk on the table in front of him.

Since then the pair has shared a handful of cute snaps together on Instagram and have been spotted on dinner dates on more than one occasion.

See more of Britney Spears' memorable Instagrams below:

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Britney Spears' sexiest Instagrams of 2016
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Britney Spears' sexiest Instagrams of 2016
So ready for this night ✨💃🏼#VMAs
It's been a while since I've cut loose 😂😜
Kinda bored today and wanted to see if I could still do a leap... It's not perfect but not too shabby either 😂😂😂
Tonight was unforgettable 💫 Thank you #VMAs and thank you to my amazing fans!
Old school #tbt
#DoYouWannaComeOver… Coming 8/18
Nothing like hiking to refocus your energy. Can't wait to get back to Vegas this week!
So many more things on the way... #Glory is coming soon. Pre-order now!
Still dreaming a mile a minute... 💙
Another great day!
After Cheesecake Factory you do this... Treadmill and weights 💪
Hurricane Harbor whoop whoop!
Back in braids... See you at the show tonight! #PieceOfMe
I love handstands!
Twirling for all the haters
My head is melting it's so hot in Vegas!!
Wow Larry! Very impressed.
Day one: ✔️
Just chillaxing 🕶
Love boutiques... Just saying 😊
Bought three new swimsuits today 👙 This one is my favorite!
Getting crafty with the green paint lol... Hope you all have a wonderful, brilliant, blessed day! 💚
Happy Monday everyone! ❤️
The paps actually got a cool pic of me 🎀🎀🎀🎀
👙🌴☀️
Good afternoon!
Just chilling ☀️
Happy Friday! ☀️
Girls just wanna have fun 😉 Never released a video for this song... so decided to do a little tease on Instagram instead… enjoy!!
Yoga yoga...feelin better and getting back on the mat!!
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