Their faux romance was nothing but a publicity stunt.
faux love
Frequency:
60
%
Their faux love was evident to those who knew them well.
faux affection
Frequency:
50
%
Their faux affection towards each other fooled many.
Idiomatic Expressions for fauxmance
Phrase: fauxmance plotline
Meaning: a contrived or artificial romantic storyline in a movie, TV show, or book
Usage: The soap opera's latest fauxmance plotline failed to captivate viewers due to its lack of authenticity.