Reese Witherspoon — Laura Jeanne Katy Perry — Kathryn (Katy) Hudson Miley Cyrus — Destiny Hope Cyrus Natalie Portman — Natalie Herschlag Meg Ryan — Margaret Mary Emily Anne Hyra Lady Gaga — Stefani Joanne Angelina Germanotta Lorde — Ella Marija Lani Yelich-O'Connor Nicki Minaj — Onika Tanya Maraj Mila Kunis — Milena Markovna Kunis Charlie Sheen / Martin Sheen — Carlos Irwin Estevez / Ramon Antonio Gerard Estevez Bono — Paul David Hewson Jamie Foxx — Eric Marlon Bishop Jodie Foster — Alicia Christian Foster Bruno Mars — Peter Gene Hernandez