There is no 'Part 2' of New Moon, so this question cannot be answered. New Moon specifically isn't split into parts, though Breaking Dawn is - so perhaps you are talking about Breaking Dawn.
Kristen Stewart will be playing the part of Isabella Swan once again. She will play the part throughout the series.
Her full name in New Moon is - Isabella Marie Swan.
Kirsten Stewart
I think she reveals her full name to Isabella Marie Swan in the Book New Moon, but I'm not sure of the movie I mean, I only got to watch trailers, commercial thing's, and also I think I got to watch only the first Part of New Moon, So. Really to be Honest, I Don't Really Know!
yes. he did
yes he does.
no
the lullaby that is why she is so happy when she has on CD in new moon
Isabella swan, Jacob black, Alice Cullen, and Victoria
the new moon was on the 13th of this month it already happened
Technically, Isabella Marie Swan (Bella Swan) narrates New Moon the book. The book is in her point of view, so she is technically narrating it.
her name is Isabella swan until breaking dawn