The upcoming comedy Couples Retreat not only has one of the most impressive star-studded casts, it also marks the reunion of Vince Vaughn and Jon Favreau on screen and we can't wait to see these two again.

The movie will be out in theaters on October 9th, 2009, and was written by Favreau and Vaughn.  The movie will also star Jason Bateman, Malin Akerman, Kristin Davis, Kristen Bell and Faizon Love.

Watch the trailer below and get ready to laugh.