Association of Professional Flight Attendants national president Laura Glading, in an open letter to Kidman, wrote the sponsorship deal is at odds with the Australian Oscar winner's role as a United Nations women's goodwill ambassador.
The union represents represents 25,000 American flight attendants and waged a public campaign against Etihad and other United Arab Emirates airlines claiming they "are well-known in our industry for their discriminatory labour practices and deplorable treatment of female employees".
Read more here.