Grey's Anatomy is poised to take on teen pregnancy. The ABC medical drama has admitted SAG Award nominee and Image Award winner Keke Palmer, The Hollywood Reporter has learned exclusively. Photos: On the Set of 'Grey's Anatomy's' 200th Episode The Akeelah and the Bee alum will guest star as a pregnant teen who seeks help from the Grey Sloan Memorial doctors and appear in one episode, which is set to air in late March. The storyline marks the latest example of showrunner Shonda Rhimes' tendency to explore social issues. Photos: The Couples of Shondaland: 'Grey's Anatomy,' 'Private Practice,'
- Lesley Goldberg