Do i tell the futue with my dreams?

Well since i was little like 7 i have been having dreams about stuff that happens in the future it used to be little stuff like when my chickens would lay their first eggs and i would wake up and they would have layed them and i would dream My guinea pigs had their babies and the did. Now about two years ago i had a dream that i was sitting on the couch with my dad step mum sister and my sisters friend alana. Now alana was siting on the floor siobhan on one end of the couch then my step mum then dad then me and dad was talking about my hair being curly and we were wtaching a movie on dolphin slaughter. Then a month or so ago this exact thing happened like down to the very last detail. The scary thing is the dvd we were watching is a new release... Now everyday im having deja vu too its weird and i can also make myself know that im dreamign when im in dreams and wake up when i want... Please help :) xxx