This can be done by clicking SPIN FRUIT on the main menu in-game and then clicking the treasure chest. It costs 50 gems to do a normal spin and 80 to do a fast spin, though a fast spin gamepass can be bought for 199 robux, making the cost of fast spinning 50 (the same as regular).
It seemed that Lily, although saddened to be separated from Victoria, was glad to be with Mama and was happier with her. In that sense, truly, she was Mama's daughter, and Mama and Lily were one.
Mama jumps off the cliff with just Lilly, and upon hitting the branch, Mama and Lilly turn into a shower of butterflies. The movie ends with Victoria realizing that one of the butterflies watching over her is in fact Lilly, perhaps referencing a ghostly regret of Victoria not going with her.