Amy Winehouse was found dead at age 27 today, July 23, in her London apartment. Information is still forthcoming regarding the cause of the talented pop singer's death, but the breaking news has shocked music fans and music stars around the world -- country musicians included. Reba McEntire, Blake Shelton and more took the time to share their respects on Twitter, sending tweets of love and hope for a peaceful sleep in her permanent resiting place. The English singer-songwriter was best known for her soulful hits like 'Rehab' and 'Back to Black,' but unfortunately, she was also know for her substance abuse and addictions.