Best-selling author Elizabeth Gilbert will join Immigration Equality in lobbying Congress for the Uniting American Families Act (UAFA).

Gilbert, whose film adaptation of Eat, Pray, Love starring Julia Roberts opened nationwide on Friday, is half of a binational couple herself. She chronicled her experience in her follow-up book Committed.

Immigration Equality has been lobbying for passage of the UAFA, a bill that would allow gay Americans to sponsor an immigrant partner for citizenship. Currently, the Defense of Marriage Act (DOMA) forbids any federal agency from recognizing married gay couples.

Gilbert will join the Washington-based group on September 30 to talk to lawmakers about the inequity.

“In addition to being unjust and cruel and unconscionable,” Gilbert said in June, “these laws [separating LGBT families] are stupid because they are taking away some of the best and brightest minds and prospects out of the country … they are forced to do nothing but fight for their lives. And they are in a fight for their lives. And I am proud to be part of that fight; I'm humbled and honored to be part of that fight.”

In June, Democrats renewed a call to include the UAFA as part of a comprehensive immigration reform package.