When I think "romper" I think of a casual, laid back look. While it may be true that rompers can feel that way, I'm a strong believer that you can always dress something up or down, no matter what it is. By putting my hair in an up-do and wearing strappy heels, this romper can be worn to a night out or date night. And I can dress it down by wearing it with flats, loose hair, and a crossbody. I linked to some similar rompers below, as well as some other ones I love.
Romper / Zara (similar below)
Purse / Kate Spade
Earrings / Flea Market (similar here)