What's going on with this?

So I spent some time recently in Newport Beach California, and literally about half the women I saw had very long (past the waist) very straight blonde hair.

Now I realize that it's possible to color hair blond, and to straighten it, but how is it that all these women have such very long hair? Is this natural, or more likely, extensions, or a wigs, or?

What's going on with this?
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