@Megan,

I'm sure that she observed all the Church's public forms just like everyone.  It's my understanding that God and worship was something that was common and accepted by most people - it was simply a fact of life back then.

I don't have “Poems and Selected Letters (The Other Voice in Early Modern Europe)" with me right now or I'd look it up for you, but...  Remember how she addressed one of her letters to Henry III?  The first letter in the publication was to a Church Cardinal; she was sending him a couple of poems for him to review, I believe.  I'm not sure if he was a client of hers or not.  (I'm also not sure if celibacy was a requirement for priesthood yet.) 

I didn't explain in the paper because I felt like I was getting bogged down and I didn't want to muddy the waters - she included the names of the high ranking folks as a way to prove to people, not that she slept with high ranking folks because everyone knew that, <strong> she wanted to prove that she intellectually engaged with them as equals.<strong>
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She was tried before the Inquisition at some point after "Familiar Letters" was published, but it does not seem to be directly related to her status as a courtesan.  Charges of using "magical incantations" were brought against her by her son's tutor.  My thinking is that the man wanted to sleep with her and she said no.  She did survive the charges... barely.