Sophie TurnerandJoe Jonas‘surprise Vegas weddingwas everything but traditional, all the way down to the outfit theGame of Thronesstar wore to say “I do.”

Instead of selecting a traditional wedding gown to wear for her wedding to Jonas, 29, Turner, 23, wore a flowing silk Bevza jumpsuit featuring wide leg pants and a low cut top for the couples’ impromptu nuptials last night after theBillboard Music Awards. (Similar styles on the siteretail for about $650.) She paired the ensemble with a long veil andgold Loeffler Randall muleswhile Jonas was seen wearing a charcoal gray suit.

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According to online records, the couple applied for a marriage license earlier in the day in Clark County, Nevada. A source also confirms to PEOPLE that the wedding was legitimate.

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Sophie Turner and Joe Jonas.

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Reps for Joe and Turner did not immediately respond to PEOPLE’s request for comment.

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Joe Jonas and Sophie Turner

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Jonas and Turner first started dating in November 2016 after Jonas slid into Turner’s Instagram direct messages following suggestions from mutual friends that they should meet.

By December of that same year, a source told PEOPLE that they were “dating exclusively” and Joe was “willing to settle down for her” after having played the field. After nearly a year of dating, he took that next step,proposingto Turner in October 2017.

Joe Jonas and Sophie Turner

Recently, Joe opened up about their wedding, revealing during a March 4 visit toThe Late Late Show with James Cordenthat they had decided on a wedding date.

“Well, we’re going to get married this year,” he revealed, to cheers from the audience.

“We’re going to have a summer wedding, which I’m looking forward to,” he added. “It’s going to be a lot of fun.”

Sophie Turner and Joe Jonas.Kevin Mazur/Getty

LAS VEGAS, NV - MAY 01: (L-R) Sophie Turner and Joe Jonas attend the 2019 Billboard Music Awards at MGM Grand Garden Arena on May 1, 2019 in Las Vegas, Nevada. (Photo by Kevin Mazur/Getty Images for dcp)

It is not clear if that wedding will now go ahead in light of their Vegas nuptials.

In aninterviewfor the May 2019 cover ofHarper’s Bazaar UK, Turner also revealed her maid of honor would beGoTcostar and real-life best friend Maisie Williams, although it is unclear whether Williams attended Wednesday’s surprise ceremony.

source: people.com