US TV
Rex Features
According to the New York Daily News, the show's star Alec Baldwin approached the actress with the offer at Sunday night's SAG awards.
"Meryl was delighted with the idea of appearing on the show. She said yes immediately," said a source.
Previous actors who have guest starred on 30 Rock include Jennifer Aniston, Oprah Winfrey and Jerry Seinfeld.
Tube Talk
'Freaks and Geeks': Tube Talk GoldTube Talk Gold heads back to the '80s and remembers Freaks and Geeks.
2012-13 Season
John Stamos to star in 'Little Brother'The former Full House actor will star in the comedy pilot Little Brother.
US TV Interviews
'Celebrity Apprentice' Donald Trump Q&ADonald Trump teases the new season of Celebrity Apprentice.
US TV Ratings
'Vampire Diaries' soars to 3m for The CWThe Vampire Diaries and The Secret Circle perform well for The CW.
