How do you get a wedding dress in Skyrim?

According to the Wikia page for the Wedding Dress:

Location:

  • It can be looted from the dead body of Vittoria Vici during the Dark Brotherhood quest Bound Until Death.
  • It can also be found in the Hall of the Dead in Solitude, after completing the quest, in a coffin. The coffin also holds a wedding ring, headdress, and sandals.