“You do what you have to do to be there…. Haces lo que tienes que hacer para estar ahí. #workingmom #madresquetrabajan,” the Avatar star, 38, captioned the image cradling her baby boy in the makeup chair.
The actress and husband Marco Perego-Saldana are also parents to 2-year-old twin sons Cy and Bowie.
“My career and the kids really all happened together at the same time,” the mom-of-three recently said.
She added: “You can’t expect your career to be super high all the time, and you can’t say no when opportunities like this come along. But I find myself really looking forward to downtime. I thought that mothers were the ones who really felt the separation from their kids. But I’ve seen the pain in a father’s eyes when they’ve been away. It is universal for parents, not just for women.”