Depends on the bachelorette party that you are throwing.

• The maid of honor with the help of the bridesmaids throws the bachelorette party.

There are many websites that can offer you many different ideas for your bachelorette party. You can visit www.bachelorettepartyideas.net/ to get some ideas for you bachelorette party.

It is not traditional to invite the mother in law to the bachelorette party. You can if you are going to do a nontraditional bachelorette/bridal party type of thing, but generally, bachelorette parties get kind of dirty so I would not do!

In spanish, Bachelorette party translates to "despedida de soltera".