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Bella first showcased her long legs and flat midriff in a black lingerie set, then walked down in a white look and was every bit heaven-sent.
Again, Megan took to the photo-sharing app to share a bikini-clad snap of the Bachelor alumni.
The country songstress was all smiles as she went turtle watching on a boat during the fun-filled outing on Thursday, January 2.
Bella's white corseted bralet appeared to be a size too small for the lithe model, and when she raised her arms above her head to pose, her nipples were revealed.
She suffered a bit of wardrobe malfunction in her plunging Kate Spade blazer, which flashed plenty of skin as she made her way to a car.