02/27/2013 AT 07:50 AM EST
She conquered the Oscars
, and now Jennifer Aniston
is preparing for another very big day.
The actress, 44, is in the process of planning her wedding to screenwriter-actor Justin Theroux
, 41 – and she has already checked off some major tasks on her to-do list, including choosing wedding bands, setting a date and narrowing down dresses.
Just don't expect the wedding, which is likely to take place soon after Aniston wraps her current film in Connecticut
on March 8, to be a lavish production.
"It will be a small affair with their closest friends," a source close to Aniston tells PEOPLE in this week's cover story.
In the meantime, the bride-to-be is enjoying life
with her future groom.
"Jen seems more confident than ever," says the source, "and they've become a great team."
For much more on Aniston and Theroux's wedding plans, their romantic Oscar night and look inside their relationship, pick up this week's issue of PEOPLE