marie antoinette's age when she died?

Answer 1

She was 37 when she died. She lived from November 2, 1755 to October 16, 1793.

http://en.wikipedia.org/wiki/Marie_Antoinette

Answer 2

She was only 37 when she was guillotined (2 November 1755 - 16 October 1793)

You can compare this motherly portrait of her in 1788
http://www.batguano.com/VLB13.jpg
with the sketch by Jacques-Louis David just about 5 years later, when she was being taken to the guillotine
http://arts.guardian.co.uk/portrait/story/0,,855246,00.html

Answer 3

She was 37