Joining a whole host of celebrities at the star-studded event, the 'Burn' singer took to the red carpet while arm-in-arm with her beau. Don't they just make the perfect pair?
Dressing up for the occasion, Ellie dazzled on arrival wearing a 1920s inspired dress. Her layered frock featured a fabulous silver tasselled design, along with a pretty embellished neckline.
She teamed her stand-out number with a pair nude coloured wrap-a-round heels and dainty, diamond earrings. On the beauty front, Ellie was rocking her newly chopped shoulder-grazing locks, sporting a tousled 'do and brown smokey eyes.
Alongside her, Dougie made sure to look just as red carpet ready, cutting a dapper figure in a navy suit - including a patterned blazer jacker - and white shirt.
Inside the annual event held at the Metropolitan Museum of Art in NYC, the couple rubbed shoulders with the likes of Kim Kardashian and Kanye West, Beyoncé and Jay Z, as well as Kendall Jenner, Jennifer Lopez, Jennifer Lawrence and Rihanna.
Now that is some guestlist!
Attending the Met Gala with her boyfriend of nearly a year, it's no surprise Ellie chose Dougie as her plus one as the blonde beauty is completely smitten when it comes to her other half.
Since going public with their romance in May last year, the pair have been known to gush about each other on social media and recently, Ellie told fans she crushes on Dougie everyday.
Sharing a photo of the McFly star shirtless to Instagram, she said: "Man crush errrryday."
Her post came after Dougie too took to the photo-sharing site to compliment his girlfriend. Along with a selfie of the pair, he admitted: "I like this lady lots."
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Watch Ellie's video for 'Love Me Like You Do' here: