Sarah Paulson, who signed on for "American Horror Story" season 5, couldn't contain her excitement to be working with Mother Monster herself, Lady Gaga.

She told E! News that she hasn't formally met Taylor Kinney's betrothed and she's looking forward to their scenes in "American Horror Story: Hotel."

"The highlight of my life probably ever was when she tweeted me. People started texting me going, 'Oh my god!'" she said. "I have had contact with Lady Gaga! Have you?!"

"I'm very excited. I'm gonna cry!" Sarah Paulson gushed.

On April 13, Lady Gaga tweeted a photo of Sarah Paulson in one of her characters for the Ryan Murphy franchise. She wrote, "Can't wait to work with Sarah Paulson on @AHSFX !!

As for the spoilers of "American Horror Story: Hotel," Sarah Paulson played coy although she did tease about her character, "I'm the baddest girl in town, that's all I can say. It's a first for me! I've never really played a character with the real dark side, so I'm excited."

Jessica Lange already confirmed during the Paleyfest in March that she won't be checking into "AHS: Hotel."

"I've had a great run here," she said during the panel. "I have absolutely loved to play these four characters that I've had the opportunity to play. I love the writers, my actors, and Ryan and the whole insanity of it. To cut to the chase, no."

Lady Gaga confirmed her casting for "American Horror Story" season 5 in a strange video posted on her Twitter account.

In the post, Lady Gaga can be seen topless and wearing a weird black mask as she slowly turns toward the camera.

She raises up her left hand as she says, "American Horror Story season 5."

Lady Gaga then takes off the mask before whispering, "hotel."

She captioned the video: "Make your reservation now. #GagaAHSHotel."