Starters

Beverages
It depends on your taste and the money you want to spend on.
You can start with some champagne or a sweet white wine.
You can let everyone choose from your stock of alcohol; whiskey, suze, martini...
Or you might want to prepare a punch such as sangria.

You may prefer alcohol free cocktails.
I am sure you already know many recipes. If you do not you may find some on this page:
Healthy drinks

Appetizers
Since the meal is going to be rich in calories, you may want to place on the table a few vegetables that will limit your calories intake and will not stuff you. This will only take a few minutes to prepare.
In a plate you can dispose some sliced mushrooms, cherry tomatoes, carrots sticks, celery branches, radishes, cauliflower...

These vegetables can be eaten like this or dipped.
Here are three dip recipes:
Hommus
Herbs dip
Guacamole

The humus and guacamole can also be spread on toasts or eaten with tortillas.

Roquefort toast can be prepared as well as Stuffed cucumbers and Barquette d'endives.