The phrase "to complete the ensemble" means to add or include something that is needed in order to make a group of things or people look or function as a whole.
Sentences with «to complete the ensemble»
Go for a pale pink sweater to team with black leather pants, and then complete the ensemble with black leather booties and a black bag. (creativefashionglee.com)
The double dressing room and light - flooded bathroom with an indoor and outdoor shower and oversized bathtub complete this ensemble of exquisite serenity. (travellermade.com)
Look stunning by completing your ensemble in a pair of ankle length brown suede boots. (myntra.com)