WATCH: Kate McKinnon pays her last visit to “The Ellen Show” and reads letter from her teen self

To honor Ellen DeGeneres as she wraps up her talk show, Kate McKinnon read her a letter that she would have written to Ellen when she was 13 years old. The comedian also talked about what it was like having Covid, her “romance” with her cat, and who her favorite people to impersonate are on “Saturday Night Live.”