(AP) - The Grand Ole Opry is helping Brad Paisley celebrate his 40th birthday with a special video message.

A Marilyn Monroe look alike sang happy birthday to him. At the end of the song, the camera panned to "Marilyn's" face, and it was -- Little Jimmy Dickens. Dickens said, "Happy Birthday, Mr. Paisley." And then turned to the side and told someone, "This girdle is killing me."

Paisley tweeted his response, saying "a clear case AGAINST HD cameras." Paisley turned the big 4-0 on October 28th.