Rosalina met Luigi in Super Mario Galaxy. Luigi helped her by aiding Mario in retrieving the Power Stars. In Battlerock Galaxy, he tells Mario that he'll only give him the Green Star if he tells Rosalina that he foung it for her. Upon collecting all 121 stars with both Mario and Luigi, Mailtoad sends a picture when the player talks to him in the Grand Finale Galaxy. Luigi's picture shows him, Rosalina, and the Toad Brigade with Peach's Castle in the background, while Mario's picture is of Mario, Peach, and three Lumas on the first planet of Good Egg Galaxy.