Yes Hostas do flower mine is flowering this month. The leaf looks like a Hosta as does the back flower? But the flower in front? Is it perhaps something else growing in among your Hosta?

these are the flowers and when they open wide they are just like the front flower. they have soft shading . i love them.

Well you live and learn SBG, mine have never opened like this I must keep a closer watch.

From what I have seen, some kinds open wide, while others remain bell-shaped and pendant.

I think mine would be bell shaped Tugb