Making history: Miss Piggy will soon call a museum her home. (Jacquelyn Martin/Associated Press)

Miss Piggy is finally joining her love, Kermit the Frog, in the Smithsonian Institution’s collection of Jim Henson’s Muppets.

Henson’s family, including daughter Cheryl Henson, donated more than 20 puppets and props Tuesday to the National Museum of American History to accompany previous donations of Kermit, Oscar the Grouch and early Henson creations.

The newest donation includes an original version of Miss Piggy and co-stars from “The Muppet Show,” including Fozzie Bear, Scooter and the Swedish Chef. “Sesame Street” puppets given to the museum include Bert and Ernie, Elmo and Cookie Monster.

Miss Piggy, dressed in a silver evening gown and holding a red rose, posed for a photo shoot. The Smithsonian allowed her to wear the real 45-carat Hope Diamond from the National Museum of Natural History.

“She was very well behaved, considering she wanted to take it home with her,” said Bonnie Erickson, who created the Miss Piggy puppet with Henson and now is executive director of the Jim Henson Legacy foundation.

“Many of these puppets have been in boxes for years. . . . We want people to see them and to appreciate them,” Cheryl Henson said.

Miss Piggy will go on display in March in the “American Stories” exhibit. Cookie Monster will join Kermit in November, and other puppets will be featured in an exhibit in early 2014.

— Associated Press