Most fans praised the 'Sorry Not Sorry' singer's bikini pics, but one suggested she's taking weight-loss drugs.

The 32-year-old former child star modeled a black bandeau and matching high-waisted bottoms, flaunting her newly slimmed down ...

Actor-singer Demi Lovato has often been vocal about her struggle with weight but her latest pictures left fans speculating ...

In recent months, a growing number of celebrities have undergone dramatic physical changes, sparking widespread speculation ...

The pop star took a dip in the pool for her first bikini pictures of the season Demi Lovato/Instagram Demi Lovato is doing her best to stay "Cool for the Summer." On Thursday, May 8, the former ...