AceShowbiz -

Amy Winehouse's attempt to get her U.S. visa has been crushed with the decision from U.S. Embassy in London to deny it. With the failure to get the entry permit, Winehouse will not be able to pop up her face at the 50th Grammy Awards this weekend, but will show up via telecast.

Winehouse, nominated for six nods at the Los Angeles event, will perform a material from her acclaimed album "Back to Black", a Grammys insider told The Associated Press on the condition of anonymity on Thursday, February 7. Rumor has it that she had previously prepared to perform "Rehab" and "You Know I'm No Good" with her backing band The Dap-Kings.

Winehouse is said to be very disappointed at not getting her visa. "Unfortunately, her application for a visa to enter the United States of America has been rejected at this time by the American Embassy in London," The Outside Organization released a statement. "Amy has been progressing well since entering a rehabilitation clinic two weeks ago and although disappointed with the decision, has accepted the ruling and will be concentrating on her recovery."

The singer is currently treated at a London rehab that helps her fighting against drugs addiction. She was released temporarily from it on Monday, February 4 to settle on the visa. "Amy has been treated well and fairly by the embassy staff, and thanks every one for their support in trying to make this happen," the statement further revealed. "There will of course be other opportunities and she very much looks forward to visiting America in the near future."

Winehouse's visa denial is linked to the October 2007 incident when she and husband Blake Fielder-Civil were busted for possession of marijuana in Norway. She paid an amount of fine as a guilty plea but had been warned that she may get trouble getting inside the States.

The 50th Annual Grammy Awards will be held on February 10 at Los Angeles' Staples Center and broadcast by CBS at 8 P.M. ET/PT.