If you want to maintain a happy relationship, make sure you agree with every decision you make - party costumes included.
Over the weekend, Miley Cyrus and Liam Hemsworth went to an '80s-themed party to celebrate the birthday of Liam's brother Luke Hemsworth. The happy couple looked good together in their matching costumes. Look at those cute smiles!
What do you think of their costume? Tell us in the comments!