Lady Gaga surprises 'Ellen'

Lady Gaga gives American chat show host Ellen DeGeneres a birthday to remember.

The star called the host live on air, sang Happy Birthday to her and revealed a few more secrets about her album 'Born This Way' which is due out in May...although she wishes it was sooner.

"I wish it was coming out in March!” she exclaimed. “I really want to take the time to set it up properly"

Gaga also confirmed that she will be performing at this years Grammy Awards but won't be getting married any time soon. “I’m not engaged, that’s so ridiculous!” she laughed.

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