Britney Spears And Boyfriend Sam Asghari Cheer On His Sister At L.A. Fashion Week Show

In recent weeks,

Britney Spears has been strutting down a makeshift runway inside her home for a series of fun Instagram videos. But on Thursday, March 16, she headed to a Los Angeles Fashion Week show with her boyfriend,

Sam Asghari , to watch the real thing.

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The pop superstar, 35, looked gorgeous in a black lace minidress and heels, while the fitness model, 23, rocked a navy button-down shirt, white jeans and black sneakers. They sat in the front row and were spotted smiling and laughing during designer 
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Michael Costello 's Art Hearts show at the Beverly Hilton hotel.

Asghari's sister,

Faye Asghari , was one of the models who walked in the show. "My little big sister doing her first show," Sam captioned an Instagram video of Faye strutting down the runway in a black-and-gold dress and black heels.

My little big sister doing her first show @fayasghari

A post shared by Sam Asghari (@samasghari) on

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Costello also took to Instagram after the show to thank Spears and her beau for showing their support. "Thank you Britney Spears and Sam Asgari [sic] for sitting front row at the @sirstello fashion show," he wrote. "@britneyspears @samasghari you guys are such sweethearts. We love that you came out to support our show."

Thank you Britney Spears and Sam Asgari for sitting front row at the @sirstello fashion show . @britneyspears @samasghari you guys are such sweethearts . We love that you came out to support our show so so so sorry you had to see that previous show that almost made you leave #wilfredotried lol #oops

A post shared by Michael Costello (@michaelcostello) on

The next day, the Grammy winner tried her hand at the runway once again, sharing a video of herself striking a pose for the camera while trying on red and pink dresses in her home. "Option 1 or option 2?" she asked her 15.5 million Instagram followers.

Option 1 or option 2? 👗 #ootd

A post shared by Britney Spears (@britneyspears) on

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Spears and Sam began dating last year after they met on the set of her sexy "Slumber Party" music video.

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