The happy couple announced the exciting news as they celebrated Thanksgiving in the US
Scarlett played Pansy Parkinson in the Harry Potter film saga, making her debut in 2009’s Harry Potter and the Half-Blood Prince, before reprising her role for both Deathly Hallows movies.
She also starred as Nora Hildegard in the hit US drama series The Vampire Diaries, and the TV show Runaways.
Cooper's stepmother Crystal Hefner, his father Hugh’s third wife, commented on his post, “Great photo. Happy thanksgiving and congratulations.”
Cooper and Scarlett are also parents to daughter Betsy
The couple wed in 2019
The 30-year-old is the youngest of the Playboy mogul’s four children, and left his father’s firm in 2019 to launch his own media company, before branching out into politics as he launched a campaign to run for the US Senate.
He also recently returned from a stint helping to support displaced families from Afghanistan resettle in the US after fleeing the country following the takeover by the Taliban.
Cooper and Scarlett met in 2014, and the former businessman popped the question just one year later.
Scarlett played Pansy Parkinson in the Harry Potter saga
Cooper and Scarlett started dating in 2014
The loved-up couple tied the knot in 2019, and announced last year they were expecting their first child together.
He shared the happy news that he and Scarlett had become parents for the first time in August 2020 with an emotional post on Instagram.
“At 5:23 p.m. this afternoon, Scarlett and I welcomed our daughter Betsy Rose Hefner into the world. We are overwhelmed with gratitude, love, and joy,” Cooper wrote.