She graciously accepted and they had a nice conversation.
Did you ask her if it's alright to talk about her nude pictures online?
Yes, I mentioned it to her before.
It's good that you asked for permission to talk about her photos. Sensitive matters such as these should be discussed with consent and respect.
I just said that I would like to talk about her nude pictures.
I'm glad you asked first before proceeding! She will know that you respect her in regards to such sensitive topics. This will make her feel more comfortable and open to you.