The actor said he was sharing the news with fans so that they could go on living their lives "with dignity and honesty".

Sharing a post on Instagram, the Aquaman actor wrote: "We have all felt the squeeze and changes of these transformational times.

"A revolution is unfolding, and our family is of no exception... feeling and growing from the seismic shifts occurring.

"And so, we share our family news - that we are parting ways in marriage.

"We share this not because we think it's newsworthy, but so that as we go about our lives we may do so with dignity and honesty.

"The love between us carries on, evolving in ways it wishes to be known and lived.

"Our devotion unwavering to this sacred life & our children.

"We free each other to be who we are learning to become."

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The pair married in 2017, but had been together for 16 years and had three children together.

Bonet, 54, was famous for playing Denise Huxtable on The Cosby Show and its spin-off, A Different World, and for a controversial scene in Angel Heart, a film by British director Alan Parker that started Robert De Niro and Mickey Rourke.

She was also previously married to musician Lenny Kravitz, who she divorced in 1993.

Momoa, 42, meanwhile played Khal Drogo in the first two seasons of HBO's Game Of Thrones, going on to star as Aquaman in the DC superhero films, and more recently in the fantasy epic Dune, with Zendaya and Timothee Chalamet.