How fattening is champagne?!
Answers: Is it less fattening than beer?
not ounce for ounce no, but yes if you were to only drink say 5 ounces of it rather than 12 ounces of beer. In the end it's going to come down to how much of each you drink, volume wise. check the link i added to your other question.
If your fat it is very fattening.