The Vampire Diaries star told E! News his ladylove picked out his black and white Christian Dior suit for the star-studded evening, saying at the Warner Bros. and InStyle Post-Golden Globes party Sunday, "She told me what to wear, literally. She provided it."
"He was really busy and sometimes a woman has to step up and just pull it together somehow," Nikki added with a laugh. "So he's in this beautiful Dior suit."
In addition to serving as his stylist for the day, Nikki and Ian will also soon be working together in a major way.
"Nikki and I are starting a production company and we're going to be able to tell even more stories that we really want to tell, everything from documentaries to TV shows to movies...all kinds of stuff," Ian told E! News at the TCAs.
"Having the success of a television show like [Vampire Diaries] really allows you to be able...now I get to start spreading my creative wings as well," he continued. "It's going to be awesome."
Sorry Nian fans, this duo's relationship seems to be stronger than ever.
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Gallery | Golden Globes 2015: Best and Worst Dressed