Demi Lovato is upping her bikini game with her most recent 'gram. The talented singer showed off her curves in a blue printed two-piece and retro white sunglasses. She posed like a pro in a pool wearing a Lisa Marie Fernandez bikini that featured white buttons. Demi's high-waisted bottoms were ultra-flattering and helped accentuate her tiny waist. The brand is actually a favorite among celebrities, with stars like Selena Gomez and Victoria Beckham rocking the styles. Read on to buy Demi's exact swimsuit, as well as similar styles for your own collection.