The Ghostbusters star penned a touching essay for Empire Magazine's upcoming farewell issue in memory of the Star Wars icon, where he candidly recounted Fisher's role in his life.
"While filming Blues Brothers, Carrie and I fell in love and during the shoot she moved in with me into a penthouse suite in the futuristic, aluminum-clad Astro Tower, which I knew to apologize for. Carrie had the most refined eye for art and design," Aykroyd shares.
Watch: Carrie Fisher Dies at 60: Stars React to Actress' Death
The pair, who met while Aykroyd and fellow Blues Brothers star John Belushi were castmembers on Saturday Night Live, lived together for some time in 1980, and they even thought about marriage, going so far as to get "blood tests for compatibility."
"Contemplating marriage, I gave Carrie a sapphire ring," the 64-year-old