Lady Gaga makes acting debut on American Horror Story: Hotel and joins wild bloody sex orgy (Photos)

The bloody scenes involving Lady Gaga's character The Countess and Matt Bomer's Donovan took place at the fictional Hotel Cortez in downtown Los Angeles in the premiere of the anthology series' fifth season.

Photos after the cut..

The show started with a pair of cute blonde foreign tourists being dropped off at the creepy hotel where hotel desk clerk Iris, played by Kathy Bates, checked them in.

The two tourists were freaked out, but series veteran Bates refused to let them change their reservation.