How would ML respond to this?

[Ohhmm(bligo)]

Yeah, excuse yourself from that situation.

[Deleted]

Your email is good.

[Mrs. ChanandlerBong]

I'd just keep it short and sweet.
"I'm so sorry, I don't do large group photography."

[snipsnsnails]

There must be some crazy drama, because, honestly, it's just a photog session with what sounds like a billion people. Not knowing the back story, I think your friend is being a little petty. I'd take the photos if you want to make some money.

[eb777888]

I'd just tell her you're unable to shoot it. Walla!