Ghost! In my camera...Omg.

Some days ago i was sitting with my friends and we were telling horror stories to each other.As we were talking and then after a long time;we heard a weird kind of voice it was scary.We all friends were frightened then we stood up and we heard a huge crowd's noise and we ran there and we saw a huge crowd there they were talking pictures of a girl sitting upside as you can see in picture she was looking scary and my friends also started cliciking pictures that was a weird moment at midnight.
I took these two pictures.Do you beleive in ghosts???