Board Thread:General Discussion/@comment-11464223-20130926232052/@comment-6175354-20130929035642

Those spoiler pictures of Belle and Ariel, take place in present-day Storybrooke. While is it possible that they know each other from before, that is something we need to wait to see.

It is Snow White who has been confirmed to interact with Ariel, in the flashback. Before kickstarting OUaT's adaptation of The Little Mermaid, and how Ariel met Prince Eric.