Inside Brian Austin Green and Vanessa Marcil's Complicated Relationship History

Brian Austin Green and Vanessa Marcil have long had a rocky relationship.
On Sunday, Marcil shared an emotional message to Instagram, in which she claimed that her only child — 16-year-old Kassius Lijah, whom she shares with the actor — was cut out of Green and wife Megan Fox‘s life five years ago.
So when did Marcil and Green’s relationship turn south?
Green and Marcil started dating in the late 1990s after meeting on the set of Beverly Hills, 90210.