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After a tumultuous public start to their relationship, Benjamin McKenzie and Morena Baccarin finally made their red carpet debut!

The expectant parents attend the Sierra Club's Act in Paris, A Night of Comedy and Climate Action for Heath event in New York City on Nov. 11.

Benjamin, 37, couldn't stop from protectively wrapping his arm around a pregnant Morena Baccarin, 36.

The couple -- and "Gotham" co stars -- announced that they were in fact a couple and also expecting a baby together after attending an Emmy afterparty together back in September.

As for the drama, Morena is in the midst of a bitter custody battle and divorce with her estranged husband, Austin Chick, with whom she shares a 2-year-old son with.

But back to Ben and Morena ... they're cute, aren't they?