Mardi Gras highlight (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
parade
(Other definitions for parade that I've seen before include "Easter ___ , 1948 film with Judy Garland and Fred Astaire" , "Ostentation" , "Public walk or march" , "Carnival" , "Show (put on by soldiers?)" .)