Barbra Streisand to Appear on Glee? 'Not if I can help it' 2011/02/12: "Music and screen star Barbra Streisand was honored on Friday night at the Grammy's MusiCares event, where ET's Nancy O'Dell spoke to her about GLEE's interpretations of her songs and asked if she would ever consider appearing on the show.
'Not if I can help it,' Barbra said. 'I have seen some of the episodes. My niece, my young niece saw 'Funny Girl' on DVD and said, 'How come you're singing so many songs from 'Glee'?''"