Lady Gaga's fiance couldn't be happier that she won her first Golden Globe Award.

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On Sunday evening, the pop star took home the prize for her role as the Countess on American Horror Story: Hotel for Best Actress in a Limited Series. And as proud as she is, her future husband, Taylor Kinney, gushed to E! News on what a big moment this was for her.

"I knew that she was anxious," Kinney said. "Just everybody was really excited, the family, fans...I couldn't be more proud. To have her up there and just sing praises was great. She worked her tail off so it was a proud moment."

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Overall, it was a lovely evening for the couple.

"Great table. Great night," Kinney said. "Just proud, just proud of my girl."

When Gaga accepted her award on stage, she described it as "one of the greatest moments" of her life. She then thanked American Horror Story creator Ryan Murphy.

"You're just a wonderful human being," Gaga continued to Murphy. "And you have believed in me so much and been such a good friend to me. Thank you to my wonderful cast, I love you guys so much, you're my family forever. I have to thank Matt Bomer and I have to thank Dennis O'Hare and Angela Bassett and Cheyenne Jackson."

The singer-actress added a number of other names in her acceptance speech.

See it below.

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Lady Gaga, Taylor Kinney