Hugh Hefner's son marries Harry Potter star

Hugh Hefner’s son Cooper has married British actress Scarlett Byrne.

The 28-year-old Playboy heir has officially tied the knot with the 29-year-old actress - who played Slytherin student Pansy Parkinson in the Harry Potter movies - at a registry office in Ventura, California.

The couple revealed the are now planning a wedding ceremony to celebrate their marriage with family and friends.

Playboy Founder Hugh Hefner (R) and and his son Cooper Hefner (L) attend the 2013 Playmate Of The Year announcement at The Playboy Mansion on May 9, 2013 in Beverly Hills, California.
Playboy Founder Hugh Hefner and and his son Cooper Hefner in 2013. Photo: Getty Images

Byrne, who posed nude for Playboy magazine in February 2017, wrote on Instagram: “Cooper and I are excited to share that we legally married. We are looking forward to planning our wedding in the coming months where we will celebrate further with our friends and family. I love you Cooper. I am proud to stand by your side, as your partner, your friend, and your wife. I cannot wait to continue building a life together. My heart is so full and I am so grateful for our love.”

The couple kept their big day casual, with the Falling Skies actress wearing a simple white, fitted slip dress with lace detailing, while Hefner wore a suit and open-necked shirt.

Scarlett Byrne in Harry Potter and The Half-Blood Prince. (Warner Bros.)
Scarlett Byrne in Harry Potter and The Half-Blood Prince. (Warner Bros.)

Cooper tweeted: “Scarlett and I have made it officially legal and the two of us could not be happier. Cheers to a life full of love, happiness, adventure, and great purpose, Mrs. Hefner. I very much look forward to planning our wedding celebrations in the months ahead. I love you, Scarlett.”

The couple have been engaged since August 2015.

Cooper is the youngest of the late Hugh Hefner’s four children. He has a brother Marston, who is just one year older than him, who the Playboy mogul fathered with second wife Kimberley Conrad.

He also has a half-sister Christie, 66, and 64-year-old half-brother David, whom Hef had with his first wife Millie Williams.

Cooper is a businessman and was previously the chief creative officer Playboy Enterprises. According to his Twitter account, is now CEO of Stag Daily, a company launching in 2020, promising to “arouse and inform”.

Hugh Hefner died in 2017 aged 91, leaving behind an estimated $50 million fortune and a business empire based around the Playboy brand.

Words by Albertina Lloyd

Got a story tip or just want to get in touch? Email us at lifestyle.tips@verizonmedia.com

Want more lifestyle and celebrity news? Follow Yahoo Lifestyle on Facebook, Twitter and Instagram.

Or sign up to our daily newsletter here.