Can I have some advice please?

I have been dating this girl for about 3 months, and even though we aren't "official" just yet, we are already talking about how we are in a relationship. Well, I was going to her hometown to meet her parents and friends
this weekend for her birthday, but she ended up getting Covid and I can't go now. I was thinking about having flowers sent to her house on her birthday as a surprise since I can't be there, but she has never told me her
parents address? Would it be creepy to reach out to her best friend (who I was supposed to meet this weekend and who knows all about me) to see if she could give me her address so I could send surprise birthday flowers to cheer up her day? Or would this just be plain
creepy? Because I don't want that. Thank you for your advice and I would love to hear what you think.
Can I have some advice please?
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