Jenny Holmgren trained at the Ballet Academy of Gothenburg. Her first production was Spring Awakening at Wermland Opera, which was followed by Sunset Boulevard on the same stage. After that Jenny went on a Swedish tour with the musical Side Show, about the famous 1930s artistes, Siamese twins Daisy and Violet Hilton. Jenny played Violet.
Following the tour, Jenny returned to Wermland Opera in the role of Polly in Crazy for you. She has also appeared in The Addams Family at Östgötateatern, where she played the teenage daughter Wednesday.