Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Comedian Alan Carr, singer Ella Eyre and ex-Bond girl Teri Hatcher are among 20 stars taking part in a charity edition of The Great British Bake Off.

Who's taking part in Bake Off's celebrity special?