Karen Gillian stuns in a green co-ord at the Comic Con in San Diego
Gallery: The evolution of Zendaya in pictures (Espresso)The actress revealed she's 'started to talk more freely' about her emotions after realising she was 'harboring resentment. 'Discussing her own battles with anxiety, Karen admitted hers can vary from being non-existent to preventing her from even going to work on a film set. She said: 'Some days I don't feel anxious at all; then others, I'm like, ''I can't do this.