Sarah Paulson returning to 'American Horror Story'

Sarah Paulson is returning to showrunner Ryan Murphy's 'American Horror Story: Hotel'.

"Sarah Paulson is checking into "Hotel." And this season, she's the baddest bad girl of them all. #AHSSeason5," Murphy tweeted.

Paulson has been a regular on 'American Horror Story since she had a bit role in season one. She has starred in three of its first four seasons and earned an Emmy nom for her lead role in Coven.