Longest Celebrity Engagements: Stars Who've Waited to Marry and Why
Maggie Gyllenhaal, Peter Sarsgaard
After being together for four years, the longtime couple announced they were engaged (and expecting a child!) back in 2006. Though they waited an additional three years to make the trek down the aisle, Gyllenhaal and Sarsgaard married in a romantic ceremony in Italy in May 2009.
Duration: Nearly 3 years