These are the people who don't fit into any specific stereotype so, they act as themselves using different aspects from other stereotypes unintentionally. They're the people others find difficult to label because they don't fit in anywhere. These are people who don't worry about fitting into a stereotype because they are too busy having morals, standards, and caring about more important things. They are not outcasts either because they are not looked down upon.
Selina must be in the non-denominational stereotype, she is wearing converse and a polo at the same time.
It looks like her friend Jennifer is too seeing as she has a cheap cellphone, but also a scene hair cut.