Regina injected herself and then ripped out the Evil Queen's heart and squashed it. Thus, the Evil Queen turned to dust! ... And that's when we see the Evil Queen reappear in NYC, where she rips out the heart of a man who used to be a dragon. And she said, “the Evil Queen is back.” Gulp.

Does Regina get her happy ending?

The finale proves Regina succeeded, possibly beyond what she ever imagined. Not only had Henry and her family embraced and accepted Regina, but so had everyone else. Regina earned the trust and respect of the people and was bestowed with the title of "The Good Queen."

Does Regina ever turn good?

Although at first she appears to be terrible at making lasagna, she becomes good at making it. Since she was the one to unleash the first Dark Curse, she kept her memories.