Gwyneth Paltrow is apparently dating one of the creatives behind FX's American Horror Story.

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Paltrow and American Horror Story co-creator Brad Falchuk may be dating, according to a new report by People. The Hollywood pair attended Robert Downey Jr.'s birthday party on Saturday in Santa Monica.

"Gwyneth and Brad have had a personal relationship for a long time," a source said, via People. "It is still evolving."

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There was apparently a moment at the party in which Falchuk attempted to get out of the car to open Paltrow's car door but wasn't able to get out in time.

"They laughed about it and seemed very happy to together," the source said.

Paltrow has been very quiet about this relationship, especially compared to her previous relationship partners, like Chris Martin. Meanwhile, Martin has been spotted with movie star Jennifer Lawrence over the past few months following his and Paltrow's "conscious uncoupling."

Falchuk and Paltrow worked together on his other show Glee. Paltrow guest starred on the show as substitute teacher Holly Holliday. She won an Emmy for Best Guest Actress in a Comedy her performance back in 2011.

Will Paltrow show up on the next season of American Horror Story? There is certainly the potential for it as this looks to be a more transitional year with newer stars (to the show) taking leading roles. Stars for season 5 of American Horror Story, titled Hotel include Lady Gaga, Matt Bomer, Cheyenne Jackson, Chloë Sevigny and Wes Bentley.

American Horror Story: Hotel is expected to begin in October on FX.

Tags: American Horror Story television fx