“That was great.

I was really nervous when I first heard that,” Kudrow toldEntertainment Tonightofher duet with Gaga.

“Then I prepared.

Lisa Kudrow at an event.

I realized I had to learn ‘Smelly Cat’ again.

I tuned my guitar and realized I don’t know the chords.

But I Googled it!

Lisa Kudrow and Lady Gaga at Friends reunion.

All the chords were there.

Thank you, world, for posting the chords.

So I learned it,” she confessed.

Actress Lisa Kudrow smiles for the camera.

Although Kudrow prepared for her performance of the hilarious tune, she admitted that she got really nervous.

“My throat closed.

I was so panicked.

I couldn’t get anything out.

I didn’t know what was going to happen,” she recalled.

“But it worked out.”

“That really almost made me cry.

That blew me away,” Kudrow toldEntertainment Tonight.

That was amazing."