Jennifer Aniston and Justin Theroux are in the final phases of preparation for their much-anticipated walk down the aisle.

The wedding "will be a small affair with their closest friends," a source told People, adding that "Jen seems more confident than ever, and they've become a great team."

The Friends star and screenwriter-actor have taken care of many of the details in their wedding prep, from choosing the band, the date and a small lot of dresses she's deciding between. They're expected to tie the knot shortly after Jen completes work on her next film, which is set to wrap March 8.