A bona fide marriage to a U.S. Citizen or Lawful Permanent Resident is a well-known pathway to a green card or lawful permanent residence. Conditional permanent residence is granted to an individual who, at the time of approval, has been married to their U.S. Citizen or Lawful Permanent Resident spouse less than two years.
With the overturn of the 1996 DOMA by the Supreme Court, LGBT couples became eligible for federal immigration benefits. If you plan to marry in a state that allows same-sex marriage and you are an US Citizen or Lawful Permanent Resident, you may petition for your foreign-born fiancée.