Diane Keaton is an American actress and director who has been active in the entertainment industry since the 1970s. She is known for her acting roles in films such as “Annie Hall,” “The Godfather,” and “Something’s Gotta Give,” and has also worked as a director and producer. Keaton is also known for her personal style, which often includes wearing turtleneck sweaters.

There are a few potential reasons why Diane Keaton has become associated with turtleneck sweaters. One possible reason is that she simply prefers the aesthetic of turtlenecks and finds them comfortable and stylish. Turtlenecks can be a versatile and practical garment, providing warmth and coverage for the neck and upper chest while still allowing for a range of outfit options.

Another possible reason for Keaton’s affinity for turtlenecks is that they have become a signature part of her personal style. Many celebrities and public figures develop a “look” that becomes closely associated with their image, and turtlenecks may have become a part of Keaton’s distinctive fashion sense.

It is also worth noting that turtlenecks were popular in the 1970s and 1980s, when Keaton was starting her acting career and becoming well-known to the public. Turtlenecks may have simply been a fashionable choice for Keaton at the time, and she may have continued to wear them over the years as a part of her personal style.

In conclusion, Diane Keaton’s frequent wearing of turtlenecks may be due to a combination of personal preference, signature style, and historical fashion trends. Regardless of the specific reason, turtlenecks have become closely associated with Keaton’s image and have contributed to her iconic personal style.