Which 31-Year-Old TV Personality and R&B Diva Flashed Sick Abs on Instagram? (PHOTOS)

It's former Destiny's Child and X Factor UK judge Kelly Rowland. The 31-year-old Instagram'd the previous pic of her enviable abs with the caption, "#Holidayworkouts! I'm blessed to workout with my motivator @msjeanettejenkins, you can too! #blackfridayspecial."

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