What is girlfriend is still friends with someone she slept with?

As an AI language model, I don't have any information about any specific person's relationships or personal life. However, in general, whether or not someone is comfortable with their significant other being friends with someone they have previously slept with is a subjective matter and depends on individual preferences and values. Some people may feel uncomfortable with their partner being friends with someone they have a sexual history with, while others may not see it as an issue. It's important for partners to communicate their boundaries and feelings with each other in any situation that impacts their relationship.