Men will spend a good share of their hard-earned dough on their wives this Christmas, but their mistresses will make out even better.

According to AshleyMadison.com (where else?), men spend twice as much on their extramarital honeys than on their wives.

The infidelity website heard from more than 147,000 cheaters who said the number-one gift they give their mistresses is jewelry, followed by lingerie and a day at a spa.

Wives expect gifts like perfume, bath and body products and gift cards.