They just grew apart," the source said of why they split.
However, a source told People that the breakup happened "around two months ago," noting that the two "tried very hard" to keep their relationship.
"I followed him on Instagram and I thought something he said was really funny," she said.
"It was a picture of a snail, and the caption said, 'F---ing MOOOOOOOOVE.' It made me laugh out loud so I texted him." The "Ted 2" actress also admitted to the fashion magazine that "Making movies in two solid months of 12-, 14-hour days.
"They are still on good terms and friends." In addition, a source told Page Six that Long, 37, wanted to get married soon, but Seyfried, 29, "wasn't ready to make the commitment." The insider also added that the "Twin Peaks" reboot star "may have her eye on a new man." RELATED: 'Parks And Recreation' Alum Amy Poehler And Beau Nick Kroll Split After Two Years Seyfried and the "Live Free or Die Hard" actor started dating together during the summer of 2013, and just this May, she revealed to Vogue that it was his sense of humor that won her over. News has reached out to both actors' reps for comment. Also featured in the video are Ben‘s ex Christine Taylor and Justin Long, who both had roles in the film.Didn't see that coming, but it happened outside La Poubelle in Hollywood while they ate dinner on Sunday. Seyfried showed off a small baby bump at a Givenchy event on Tuesday. Amanda Seyfried's Lovelace reviews might be coming back positive for the actress but it was her quiet moments with Justin Long at the film's premiere that has people talking today. With two dueling Steve Jobs movies in the works - j OBS starring Ashton Kutcher famously being the first one to be released, while the Aaron Sorkin film is still in production - Funny or Die has announced that the comedy website will in fact release the first Steve Jobs biopic. Leighton Meester and Justin Long were spotted holding hands recently.