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Willie Nelson is saying thanks.  After receiving scores of video birthday wishes, the country legend has posted a clip of his own in gratitude. 

Numerous stars took part in the special video campaign in recognition of Nelson's 80th birthday, which was this past Tuesday.  Country singers including Vince Gill, Carrie Underwood, and Brad Paisley submitted videos for the occasion, along with an array of other celebrities ranging from Howard Stern, Sharon Osbourne and Keith Richards to Barbra Streisand, Ringo Starr, Tony Bennett, and even SpongeBob SquarePants. 

The videos are posted at