Read the following context and answer the question.
Context: Thanks all , I had a fantastic birthday . And it 's official - I pretty much have the best friends ever . Everyone was really sweet with their birthday wishes and I even got some surprise visits during the day . Went out in the evening to Two Small Rooms . Had n't been there in years , but it was awesome .
Question: What may have happened on their birthday ?
Answer:


They had celebrated with their friends .