The FX horror anthology 'American Horror Story: Hotel' premieres tonight, October 7th, and it may be the scariest one yet. The List's Donna Ruko has 3 facts about the new season starring Evan Peters, Sarah Paulson, Denis O'Hare, Lily Rabe, Kathy Bates, Emma Roberts, Angela Bassett, Chloë Sevigny, Finn Wittrock, Wes Bentley, Mare Winningham, Matt Bomer, and Lady Gaga!