Martha Stewart (b. 1941) is the host of Martha Stewart Living and Martha.
Grover, Elmo, Big Bird, Cookie Monster, Oscar the Grouch, Kermit the Frog, Miss Piggy and others have appeared in segments on her various shows.
Miss Piggy appeared on Stewart's 1995 special Martha Stewart's Home for the Holidays, where she helped Stewart make a gingerbread house.
Stewart contributed a "Gingerbread" recipe for Miss Piggy's 1996 cookbook, In the Kitchen with Miss Piggy.
Stewart was spoofed by Miss Piggy in the 1997 calendar Muppet Parody Calendar: The Sequel, and on Sesame Street as Martha Sewer.