Hilton popped the question with a family heirloom—his great-grandmother's ring—in California at the end of last year.
The handsome pair has not yet set a date but are hoping to tie the knot in California in the Spring of 2015.
"I've been dating and slowly being groomed into a much cooler person by Megan Park for the last five years," he said.
PHOTOS: Love on set In addition to planning their wedding, the bride-and-groom-to-be are very busy with their careers.
Speaking to the magazine just after the nuptials, Megan, 29, said: 'It was everything we wanted it to be and it was so nice after so many years together to finally celebrate our relationship with all of our friends and family.
"It was everything we wanted it to be and it was so nice after so many years together to finally celebrate our relationship with all of our friends and family,” Park tells Us Weekly exclusively.Her largest role to date has been in the ABC Family series The Secret Life of the American Teenager, where she plays one of the main characters, Grace Bowman, a conservative Christian teen and cheerleader who, along with her boyfriend, struggle with her purity vow until marriage.In 2013, Park lost the role of Nicki in the sitcom Undateable to Briga Heelan.“It’s nice to have everyone we love in one place finally for all these years to celebrate our love for each other.” RELATED: The Cast of 'One Tree Hill' Reunites in Montreal – See What They're All Up to Now Hilton, who also starred on The simple wedding—which included a best man and a maid of honor, but no bridesmaids or groomsmen—kept with the couple's easy theme.“We felt like there were so many people that we would want to have, include in it, but we decided to sort of keep it simple and just have a maid of honor and best man and be happy that everybody else was there,” the bride tells the magazine.The girl band also includes pop star Miley Cyrus's older half-sister, Brandi Cyrus.