What Kind of Flower is Growing in my Yard?!

So one of the perks of purchasing a house in late November is you have all Winter to live there, and have no idea what's hiding under the dirt in your yard! But I have these flowers growing now and have ZERO idea what they are, do you know??

The people who lived in our house before us seriously LOVED landscaping, and plants, and gardening, because the amount of plants and things we have growing is slightly overwhelming.  But we're taking it one project at a time haha! Yesterday I noticed a new flower had popped up in our back yard and George was being adorable and smelling the flowers, when I realized, I have no idea what the heck this flower is!

So what kind of flower is this??

PS. I'd like to first mention when it comes to plants I know very, very little!