They don't call it the city of love for nothing!
After enjoying some Parisian cuisine at L'Avenue Restaurant, the 29-year-old Mean Girls star and the 36-year-old actor got their shop on! Croissants, anyone?
While Miz Seyfried wore a cute, oversized plaid coat, Mr. Long rocked an impressive mustache!
Tags: actress, amanda seyfried, boyfriend, cute, dating, fashion, fashion week, givenchy, jessica chastain, justin long, kanye west, katy perry, kim kardashian, love, love line, mean girls, paris, paris fashion week, show