Channing Tatum and Zoë Kravitz dated for years before their surprising and very recent break-up. Although the exact reason is unknown, an insider hints that their relationship shifted quickly after doing this project together.

Per the insider, Tatum, 44, is mainly based in Los Angeles near his 11-year-old daughter, Everly, whom he co-parents with ex-wife Jenna Dewan. Meanwhile, Kravitz, 35, has a deep connection to New York City. The source noted:

As recently as August, Tatum was telling Vanity Fair that more collaboration, in life and art, would be ahead for himself and Kravitz. “We’ll be making things until we’re old and gray,” he said. “They’ll be our little movie babies.”

Channing Tatum and Zoë Kravitz called off their engagement, and ended their three-year relationship in October and have yet to personally comment on their split. A source close to Tatum recently told People that the Magic Mike star is "doing well" and that he's ben trying to focus on new projects in addition to spending time with family in the weeks following his public breakup with The Batman actress.

A source tells PEOPLE that Channing Tatum is focusing on a new movie and "spending time with his daughter" in the weeks since his split from Zoë Kravitz