Which Sexy Reality Star Shared This Revealing Bikini Photo? 1 of 2 Previous Autoplay Next Share Tweet January 4, 2013 at 01:00PM EST by Rachel McRady Related: The Voice, Guess Who? full size Credit: Instagram Guess the Celeb! Sure, this little lady’s a former pop star, but we weren’t focusing on her voice when she shared this pic on Twitter. “This will be my body by spring! You ready?! #tbt,” the single mother tweeted. Considering she has her own line of swimwear, we expect her to be back in tip-top shape in no time. She will be pretty busy, though, considering her hit show is set to air in March. Can you guess the bikini bod?