After taking in some "amazing architecture" at the Trevi Fountain, Sistine Chapel and more, according to Casper's Instagram, the duo stepped in front of the Colosseum and fought...for fun.
"Fighting with real
The night before, the couple headed to a romantic dinner in the city, holding hands as they walked inside the restaurant.
The couple's Italian vacay comes in the midst of split rumors that suggested Casper and J.Lo would soon call it quits.
So far, it appears they're still going strong.