3:47 PM PT -- Savannah just further discussed Nic's passing, posting a photo of them holding hands. She writes, "Heaven gained the most beautiful angel today ... I miss you and I love you."
She adds, "I'll forever save our last messages of 'I love you.' please send me a sign that you're ok." SC goes on to list some of Nic's favorite things -- including food, which appears to carry some significant meaning to her.
Savannah ends with .