Kaia Gerber is looking to expand her resume by practicing her acting chops in ‘American Horror Stories‘, the spin-off series of ’American Horror Story.’A post shared by Kaia (@kaiagerber)The new trailer that Murphy tweeted along with the text, “Killer Looks” shows a group of young attractive people posing for the camera before Gerber kisses her on-screen girlfriend, who is played by actress Sierra McCormick.