Sam Smith's silent birthday

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Sam Smith's silent birthday

Sam Smith won't be able to speak on his birthday.

The 'Stay With Me' hitmaker is scheduled to have an operation on his haemorrhaged vocal cords later today (14.05.15) and afterwards he won't be able to talk for the next three weeks which includes his 23rd birthday on May 19.

Sam took to Instagram to pre-warn anyone who sees him out and about over the next month that he is not a ''d***head'' for not acknowledging them it's because he can't communicate.

His post - accompanied by a photo of him in a New York park - read: ''Enjoying my last day of speaking. After today no speaking for three weeks. So if you see me on the streets sorry if you think I'm a d***head and can't say hello. Also gonna be silent for my birthday. Sounds fun aye? (sic)''

Sam is dreading having the surgery - which will take place in a New York City clinic - but knows it's completely necessary to repair his voice and he is thankful to his fans for all their good luck messages.

He posted on Twitter: ''Can't sleep. Op tomorrow. Looking through all your beautiful messages. Makes me emotional to know I have so many people wishing me well ... I hope every single one of you know how thankful I am. I love you all sincerely xx (sic)''

The 'La La La' hitmaker will spend his birthday in The Big Apple recovering from his operation.