Two Republican congressmen from Florida sent a letter to the Department of Treasury Friday questioning the legality of musical power couple Beyoncé and Jay-Z's much-publicized trip to Cuba.

Reps. Ileana Ros-Lehtinen and Mario Diaz-Balart sent a letter to the Treasury's Office of Foreign Assets Control to "express concern" and request information about Beyoncé and Jay-Z's vacation in Cuba. The couple has been celebrating their fifth wedding anniversary in Havana, but the trade embargo between the U.S. and Cuba prohibits tourism to the country without a license from the government.