Ariel Winter Goes Blonde, Flaunts Her Booty for Secret Photoshoot

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Ariel Winter is giving us some serious Marilyn Monroe vibes.

The 18-year-old actress shared a photo of herself sporting a short blond wig and bright red lipstick on Wednesday, but once again, it's her racy outfit that has people talking. Winter donned a black bodysuit and red high heels under a sheer tulle skirt, striking a sexy pose for her 2.4 million Instagram followers.

"Shhh #secretshoot #magazine #blonde #tb," Winter captioned the sultry snap.

WATCH: 23 Times Ariel Winter Was Sexy and Confident on Instagram

While we're unsure of Winter's secret project, one thing we do know for sure is that she's currently single. Last week, she shut down rumors that she's been dating longtime pal Sterling Beaumon. "Everyone thinking I'm taken when I'm just over here like hi I'm single AF," she tweeted.

ET caught up with the Modern Family star last month, when she opened up about her Instagram posts and promoting a positive body image.

"I don't really think I'm telling myself, 'You should post this, you shouldn't post that,' I feel like I'm just having fun," Winter told ET. "Everybody is so hyped up on the fact that I post photos where my butt's out. It's a butt. Everyone has a butt. I don't think it's crazy."

WATCH: EXCLUSIVE -- Ariel Winter on Voting in Her First Election: 'I Wish We Had Better Candidates'

"It's like, 'Let me live! I'm enjoying my life, you're enjoying your life, you should be posting your butt if you like it, too!'" she added.

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