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.

SEE ALSO: Emily Ratajkowski lounges completely nude on Instagram

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:

25 PHOTOS
Britney Spears and boyfriend Sam Asghari together
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Britney Spears and boyfriend Sam Asghari together
Iโ€™ve been with this man for over a year... everyday he inspires me to be a better person and that makes me feel like the luckiest girl in the world!! @samasghari ๐ŸŒˆ๐ŸŒธโค๏ธ
๐ŸŽ„๐ŸŽ๐Ÿ‘ ๐ŸŽ„
So in love with this puppy ๐Ÿถ@samasghari ๐ŸŽƒ๐ŸŽƒ๐Ÿ‘ป๐ŸŽƒ๐ŸŽƒ #HappyHalloween
LOS ANGELES, CA - NOVEMBER 29: Britney Spears and Sam Asghari attend a basketball game between the Los Angeles Lakers and the Golden State Warriors at Staples Center on November 29, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
LOS ANGELES, CA - NOVEMBER 29: Britney Spears and Sam Asghari attend a basketball game between the Los Angeles Lakers and the Golden State Warriors at Staples Center on November 29, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
LOS ANGELES, CA - NOVEMBER 29: Britney Spears and Sam Asghari attend a basketball game between the Los Angeles Lakers and the Golden State Warriors at Staples Center on November 29, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
LOS ANGELES, CA - NOVEMBER 29: Britney Spears and Sam Asghari attend a basketball game between the Los Angeles Lakers and the Golden State Warriors at Staples Center on November 29, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
LOS ANGELES, CA - NOVEMBER 29: Sean Federline, Jayden James Federline, Britney Spears and Sam Asghari attend a basketball game between the Los Angeles Lakers and the Golden State Warriors at Staples Center on November 29, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
LOS ANGELES, CA - NOVEMBER 29: Sean Federline, Jayden James Federline, Britney Spears and Sam Asghari attend a basketball game between the Los Angeles Lakers and the Golden State Warriors at Staples Center on November 29, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
LOS ANGELES, CA - NOVEMBER 29: Britney Spears and Sam Asghari attend a basketball game between the Los Angeles Lakers and the Golden State Warriors at Staples Center on November 29, 2017 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
Always have a ball with this crew... so much fun!! #TBT ๐ŸŽ‰๐ŸŒบ๐ŸŽ€๐ŸŒธ๐Ÿค“๐Ÿ˜‰
โ˜€๏ธโ˜€๏ธโ˜€๏ธ @disneyland
Goofing around before my show with my love @samasghari ๐Ÿ’•
Look who came to see me in Japan ๐Ÿ‡ฏ๐Ÿ‡ต @samasghari ๐Ÿ˜‰ great matching duo !!!!!!! ๐Ÿ”ฅ๐Ÿ”ฅ๐Ÿ”ฅ
Thinking of tonight's show has me spinning... just like this night in Vegas ๐Ÿ˜œ๐ŸŒ€ Can't wait to see you, #Osaka!!!
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)
Great run in Vegas! Be back Next week!
Beautiful day in Malibu with @samasghari ๐Ÿ’™๐Ÿ’™๐Ÿ’™
Last show of the week with @samasghari ๐Ÿต๐Ÿต๐Ÿต
My baby's birthday ๐Ÿ’œ @samasghari
Had an amazing night at the @clivejdavis #PreGrammyGala โœจ
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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 ๐Ÿ’œ @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:

35 PHOTOS
Britney Spears' sexiest Instagrams of 2016
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Britney Spears' sexiest Instagrams of 2016
So ready for this night โœจ๐Ÿ’ƒ๐Ÿผ#VMAs
It's been a while since I've cut loose ๐Ÿ˜‚๐Ÿ˜œ
Kinda bored today and wanted to see if I could still do a leap... It's not perfect but not too shabby either ๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚
Tonight was unforgettable ๐Ÿ’ซ Thank you #VMAs and thank you to my amazing fans!
Old school #tbt
#DoYouWannaComeOverโ€ฆ 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... ๐Ÿ’™
Another great day!
After Cheesecake Factory you do this... Treadmill and weights ๐Ÿ’ช
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: โœ”๏ธ
Just chillaxing ๐Ÿ•ถ
Love boutiques... Just saying ๐Ÿ˜Š
Bought three new swimsuits today ๐Ÿ‘™ This one is my favorite!
Getting crafty with the green paint lol... Hope you all have a wonderful, brilliant, blessed day! ๐Ÿ’š
Happy Monday everyone! โค๏ธ
The paps actually got a cool pic of me ๐ŸŽ€๐ŸŽ€๐ŸŽ€๐ŸŽ€
๐Ÿ‘™๐ŸŒดโ˜€๏ธ
Good afternoon!
Just chilling โ˜€๏ธ
Happy Friday! โ˜€๏ธ
Girls just wanna have fun ๐Ÿ˜‰ย Never released a video for this song... so decided to do a little tease on Instagram insteadโ€ฆย enjoy!!
Yoga yoga...feelin better and getting back on the mat!!
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