The iconic soul singer will join the ranks of former inductees Dolly Parton and Elvis Presley
Soul legend criticises media speculation and denies falling out with Houston's mother Cissy
Singer says things were "moving a little too fast" and will now not be getting hitched
Soul legend jokes that she isn't pregnant as she reveals engagement
New effort set for release on May 2
Soul legend had been recovering from an undisclosed ailment
Soul legend says she is 'feeling great and coming along'
Family member reveals singer's condition after undergoing surgery
Singer thanks medical staff for their support
68-year-old was recently admitted to hospital