The Jennifer Aniston/Justin Theroux European Love Express has chugged from Paris to Rome, and photogs snapped the couple touring the Italian capital looking happy and tanned.

OK! NEWS: JENNIFER ANISTON AND JUSTIN THEROUX CREATING A PARODY ABOUT THEIR LIVES

Jennifer showed off her characteristically svelte physique in a gray jersey dress and sandals, while Justin wore a simple gray T-shirt, jeans and boots.

OK! NEWS: JENNIFER ANISTON SPARKS PREGNANCY RUMORS IN TIGHT DRESS AT THE WANDERLUST PREMIERE

Justin recently told Extra! that he "couldn't be happier" with Jennifer and agreed that he is indeed one of the luckiest men on earth.