"It would be hypocritical for me to say she couldn't do it because everybody writes songs based on personal experience," the 19-year-old told US Weekly.
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"I can't say I'd have dated someone less famous to avoid it," he said, before joking, "At least she's a great song writer!"
Harry split from Taylor in early January after a few months of dating. It might be his most high-profile relationship to date, but the boyband star said he doesn't think being in the public eye makes a difference when it comes to dating.
"I think it's people, you like people for who they are, so I couldn't say I want to date someone less famous because of the hassle. You like who you like," he told the publication.
"I think relationships are hard enough, so I think you have to completely ignore everything from outside."
"When you're in the opening stages of a relationship as it is, you're still under the pressure of getting to know everything about a person.
"If you have a lot of people from the outside telling you what it is and they don't even know you, telling you what your relationship is, that's weird. So I think you sort of have to block it out and just have the relationship rather than think - we're having this relationship play out on magazine covers."
To the delight of his devoted One Direction fans, the star also revealed what he looks for in a girl.
Someone with a cute laugh and a good smile," he revealed.
"Someone you can have fun with - I like someone who's up for doing stuff in terms of like, trying new things and going out new places. Not just someone who does nothing and wants to sit around."