Amanda Seyfried And Justin Long Reportedly Split

Summer may be over, but the stream of celebrity breakups that came with isn't.

The latest stars to reportedly call it quits? Amanda Seyfried and Justin Long.

The couple, who began dating back in 2013, have apparently ended their relationship, Us Weekly reports. A source who spoke to the magazine said that Justin's "really heartbroken."

Another source added, "They had different schedules and different lives. They just grew apart."

The "Mean Girls" star talked to Vogue about her relationship with the actor, recalling the moment she decided to contact him.

"I thought something he said was really funny," she said. "It was a beautiful picture of a snail, and the caption said, 'F***ing MOOOOOOOOVE.' It made me laugh out loud, so I texted him."

Long, 37, also spoke publicly about his relationship with the 29-year-old actress, telling the hosts on the "Today" show in 2014 that he was "in it for the long haul."

The couple shared an apartment in New York City.

The Huffington Post has reached out to Seyfried and Long's reps for comment.

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This article originally appeared on HuffPost.