Johnny Nunez/Getty Demi Lovato wants to keep her bridal look under wraps. In an exclusive interview with PEOPLE for this week's issue, the 31-year-old singer reveals she has "a vision" in mind for ...

After two decades of friendship, Demi Lovato made a special appearance at ... plunging neckline and black nail polish. She paired the look with a diamond necklace and matching earrings, while ...