Conversation so far:
when was the pre-grammy party?
2012.
what happened there?
The Clive Davis's pre-Grammy party that Houston was expected to attend, which featured many of the biggest names in music and movies, went on as scheduled.
was she there?
Davis spoke about Houston's death at the evening's start.
What did they say?
I am personally devastated by the loss of someone who has meant so much to me for so many years.
Whitney was so full of life.

Question: Who was Davis to her?
Self-contained rewrite: Who was Davis to Whitney Houston?