Olivia talks about Maps to the Stars and her character, Cristina Weiss. I can't seem to find the embed button so...
MAPS TO THE STARS INTERVIEW And here are some reviews of Maps to the Stars (Beware be spoilers)
The Hollywood Reporter by Todd McCarthy
Vanity Fair by Richard Lawson
The Guardian by Peter Bradshaw
Variety by Peter Debruge
The Telegraph UK by Robbie Collins