Actress Stockard Channing, 82, discusses her role as Betty Rizzo in the 1978 film “Grease” ahead of the movie’s 50th anniversary. In interviews reported by outlets, she makes a lighthearted remark that she was the “world’s oldest teenager,” referring to the fact that her character is a high-school student while Channing was much older at the time of filming. Channing also says she urged production decision-makers to present her in a younger-looking way so she could credibly play a school-age character, according to the articles. The coverage focuses on her comments about how she approached the role and the way the film’s legacy is being revisited for the milestone anniversary. The reports describe her as speaking about age, casting, and screen appearance, while framing her remarks as jokes tied to the passage of time since the film’s release. The story is presented as an update connected to the anniversary rather than as new plot or production information about the original movie.