Lady GaGa ''cried'' because she was so overwhelmed at singing with Elton John.
The 23-year-old singer was so happy the pair got to perform a spectacularly extravagant duet – seated either side of a giant piano which sprouted hands – at the Grammy Awards on Sunday (Jan 31, 2010) she was forced to make an emergency visit to her make-up artist shortly before she was due on stage.
She said: "I'm just so happy, I can't say enough and Elton was so amazing and the performance was really truly magical."
"I had been fantasizing about this performance piece for a while and we got to do it... and I'm just really truly floored. I ruined all of my make-up right before the show. Crying… I was just so happy."
The "Bad Romance" hitmaker picked up two awards at the event – Best Electronic/Dance Album for "The Fame" and Best Electronica/Dance Song for "Poker Face" – and dedicated her wins to her legion of fans.
She told "Access Hollywood": "This is not an award for me, it's for my fans. And I love my fans so much. And I wanted them to know that they should believe in themselves."
"And I wanted to be everything that they hoped I would be tonight, and that's what we got to do."