One year after attending the Metropolitan Museum of Art’s Costume Institute Galawith rumored flame Shawn Mendes,Hailey Baldwinposed solo. And all the attention was on her backless Alexander Wang gown.

The model looked like a retro Barbie come to life in her pale pink, second-skin, long-sleeve column gown which featured an exposed like thong detailing in the back accessorized with a crystal “Wang” pin. She teamed the look with a high pony, oversize black velvet hair bow and black winged eyeliner.

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Hailey Bieber

Wang was on hand to help with Baldwin’s train and admired as the star posed for photos.

This marks Baldwin’s fifth consecutive Met appearance. Bieber, who according to his Instagram story was home eating takeout, only attended once in 2015 as a guest of Balmain’s Creative Director Olivier Rousteing.

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A few weeks after Mendes and Baldwin attended the Met together, the “In My Blood” singer debunked the idea that they were making theirred carpet debut as a couple.

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And two months later, Baldwin made her relationship with on-again-off-again flame and longtime friend, Bieber, official, saying yes to his romantic proposal.

Bieber, 25,proposed to Baldwin, 22, on July 7 with agigantic oval-shaped ringwhile in the Bahamas during dinner at a local restaurant.

“It’s kind of a surprise, but kind of not. Justin has been extremely happy these past few weeks,” a sourcepreviously told PEOPLEabout the engagement. “He has known Hailey for a long time. This might seem sudden, but they know each other very well.”

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In September,Bieber and Baldwin married at a New York City courthouse. Since then, the couple, who is still planning a larger gathering to celebrate their nuptials, has been very open about their love on social media.

Mrs. Bieberrecently shared a photo of her husbandon set of a photo shoot on her Instagram feed, along with a sentimental caption.

“My love,” she began, “you are an incredible man, you make me a better human being, you make me happier than I’ve ever been.”

“Insanely proud of who you are and who you’re becoming,” the model added. “I love you more every single day.”

Last month, Bieber captioned an Instagram photo of Baldwin from a pastMaximphoto shoot with a poem he wrote for his wife, explaining thathe wanted to “publicly honor” her.

source: people.com