Hey there 'bluebeauty28',
You are experiencing 'spontaneous' pastlife recall ... I can say this with confidence because I've recalled 4 of my pastlives this way (in great detail - even wrote a book about the first time it happened).
When this happens there is usually some important relevance to something that is going on in your present lifetime. Quite often it's difficult to make the connection ... but it will be there trust me !
You may want to take a look at my website;
http://www.pastlivesparanormalandpagans.com
(there's a direct link in my profile)
You'll find quite a bit about this kind of thing ... including my own experience and the relevance to my present life. To give you an idea of how important this kind of thing can be ... in my case the 'spontaneous' recollections literally saved my life (this time around) and helped me get back on track. Of course it's not always that dramatic, but it will be of importance to you.
Woody