The 24-year-old will become the 85-years of his third wife, plans to take a design Keveca Ramona.
"This will be the most romantic wedding ever, 'Crystal promised last month.
Playboy spokeswoman Kellie Olisky added: "No expense is spared for the wedding.
"It is not even a compromise, because the HEF Crystal wants to have the wedding of her dreams."
About 300 people will be invited and the estate will be decorated in pale colors of summer flowers and bright colors.
DJ Cassidy, who performed with Kanye West Cocahella, published on the cover while the musician Ray Anthony also provide entertainment.
In addition to wedding dress designer Ramona Keveca also provided with the bridesmaids dresses.
Crystal is with her two sisters, Anna Berglund, Miss January 2011, as nurses and Hugh's brother Keith and his two sons, Marston and Cooper, a party groom.
Hefner, who is worth about $ 43million, has decided to put a prenuptial in place.
Hefner, founder of Playboy in 1953 and Marilyn Monroe in its first cover girl, has been married twice before.
In 1949, wed Mildred Williams, who had two children, Christie, now 58, and David, now 55
Before their marriage, to Mildred Hefner has confessed that she had an affair while he was away in the army, so she allowed him to sleep with other women because of his guilt over his infidelity, but they divorced in 1959.
Then in 1989, he married Playboy model Kimberley Conrad, who bore him two sons, Marston Glenn, 20, and Cooper Bradford, 19, but after 11 years of marriage, Hefner has filed for divorce stating irreconcilable differences Conrad, who ended in March last year.
