Scarlett Johansson showcased her impressive Cher impersonation while promoting Sing 2 on The Tonight Show Starring Jimmy Fallon. The actress confirmed that she does a Cher impersonation and sang a snippet of Cher's hit song Believe. She also talked about her love for karaoke and how she celebrates her birthday with friends. Scarlett discussed her daughter's reaction to her new sibling and meeting her idol, Judge Judy. Sing 2, in which Scarlett reprises her role as Ash, is set to release in US theaters on Wednesday.