Based on the context and the answer, generate a 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 .

Answer:

They had celebrated with their friends .



What may have happened on their birthday ?