Kristina or Kristen?

We went to the U of U gymnastics meet tonight with Kristen's parents and they were giving away posters of Kristina Baskett. When I walked in the door the lady who took my ticket told me I could grab one and hang it in my bedroom. Well the poster never made it that far. I gave mine to Kristen so she could give it to her cousins. So obviously I've made my choice.