Diane Keatonwas recently spotted taking her dog, Reggie, out for a walk (viaThe Cut).

Being a trendsetter is nothing new for Keaton.

She has always been astyle iconsince the 1970s when she starred as the title character in “Annie Hall.

Diane Keaton red carpet

It was such an iconic performance that no one else could have tackled.

The part was even written for Keaton, according toPeople.

Director and co-writerWoody Allenwrote the part of Annie Hall for Keaton.

Diane Keaton red carpet

The two had previously dated and Keaton’s real name was actually Diane Hall.

She would often go by the nickname “Annie,” and so Annie Hall was created.

Since the actress is technically Diane Hall, you may be wondering where “Keaton” comes from.

There are even quite a few reasons.

One could be that someone else in the Actors' Equity Association has already claimed your name.

Another famous Keaton Michael Keaton actually had to change his name for similar reasons.

Knowing now that both of their names are stage names, you know the answer.