Conversation so far:
what did esther do in Esther Williams's later years?
In April 2010, Williams appeared at the first Turner Classic Movies Classic Film Festival in Hollywood, California, alongside two-time co-star Betty Garrett.
what movie did she star in with betty?
Their film Neptune's Daughter (1949) was screened at the pool of the Roosevelt Hotel.

Question: what else did she do in her later years?
Self-contained rewrite: Other than appear in Neptune's Daughter, what else did esther do in her later years