Bella Thorne Tests Out The 'Red Dress Theory' While Braless

Bella Thorne is turning heads as she tries out the Red Dress Theory while showing off a gorgeous new look. Posting on Instagram this week, the former Disney star flashed her braless assets in a ravishing, cut-out dress teamed with heels, looking red-hot for a night out as she tested out whether red really gets more romantic attention. Bella, who is engaged to fiancé Mark Emms, went eye-popping in a revealing midi number that grazed her calves, with her gallery including her beau as the two enjoyed a date night. Ahead, see the photos, plus Bella's best shots.

Scroll for the photos. Striking poses from an outdoor path as she stood near lit-up greenery, Bella brought the heat in a figure-hugging, sleeveless dress in bold red.

Braving a chest flash while ditching the bra, the Midnight Sun star flashed her cleavage via a statement chest cut-out, also displaying her shapely arms and shoulders, plus her killer waistline.

Injecting metallic accents from small details around her cut-out, Bella posed solo and in strappy heels in her first photo, looking gorgeous with her hair worn down. Her gallery also included a fancy, lit-up pool shot, a moment from her dinner outing, plus a photo of Mark. "Testing out the red dress theory," Bella wrote, adding cherry emoji. Bella had accessorized her look with a shaggy green scarf and discreet jewelry, and fans loved the whole thing.

"Wonderful, I love it the outfit," one user replied. "Bella in red is so divine," another wrote.

Bella Thorne made headlines just before her date night for showing off her swimsuit body while in Los Cabos, Mexico. Enjoying a romantic break with Mark, the Florida native stunned with a display of her healthy curves, rocking a high-cut, black bikini with tan accents. Unfortunately, users shamed the actress, suggesting that she's gained too much weight.

"She done got fat," one hater told the 28-year-old as they remarked on The Daily Mail's photos. Over 300 others agreed. Another troll called Bella "chunky," with a third writing: "She’s gained a bit, which is fine. But that suit does nothing for her."

Bella Thorne has, in the past, made headlines for rocking a much slimmer physique, and some fans felt that she actually looks way better now. "She looks healthy," one user wrote as the above photo was reposted on Instagram. Noting that others had called the star "chunky," one fan shut down the shaming, saying: "All the girls saying “healthy” and “looks like a REAL BODY, you guys are f**ked up for calling her fat."

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