Anna made a surprise appearance last Sunday 2. December 2007, at the 30th Annual Kennedy Center Honors in Washington, D.C., honoring legendary film director and opera lover Martin Scorsese by singing "O mio babbino caro" from Puccini's Gianni Schicchi.
The 30th annual Kennedy Center Honors will be broadcast in the US on CBS on Wednesday, 26. December at 9pm (EST), as a 2-hours prime time special.