The 17-year-old actress took to Instagram on Tuesday to share some sweet snapshots from prom night, where she was seen posing with boyfriend Laurent Claude Gaudette.
"Shmoopberry and I take prom #prom #prom2015," she captioned the cute candid with her beau.
In a second pic, the "Modern Family" star is standing with her father, Glenn Workman. "Dad saw me off to #prom!! Love him."
Ariel's nerdy alter ego Alex Dunphy was nowhere to be seen as Winter donned a stunning backless lace gown with a plunging neckline for the big night.
The brunette beauty, who we've watched grow up on screen, recently revealed that she's still trying to figure out how to dress for her body type.
"It's interesting, because I'm very young, but I have a more mature body," she told People magazine. "So it's a blessing and a curse. I have to find things that are appropriate to wear but also fit my body well, so it still looks good."
"I'm not pink, ruffled, preppy," Ariel said of her style. "I like the bodysuits, I love the color black. So the mature style and the more mature body goes with the age that I would like to be."
We're loving her ultra-glam Prom look -- what do you think of her style? Sound off below!