Rock solid: Gabrielle Union, 49, flaunted her fab figure in a pink-patterned bikini on Instagram, first in a post of two photos, and then again in the same two-piece in a videoThe video begins with Union in the very same two-piece working the camera with an assortment of poses onboard a boat.'I can’t help it.

I be doing the most and I'm Ok with that, Union wrote in the caption of the clip. With a big smile on her face, she leans to her left white straw hat over her dark tresses.Within seconds the Bring It On star can be seen looking straight into the camera, only this time she replaced the hat with a colorful headwrap that matched her bikini over her locks.

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