Emily Blunt Sings "I Want It That Way" With Backstreet Boys on 'Ellen'

After confessing to a fear of singing in front of people, the 'Mary Poppins Returns' star then took the stage.
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Emily Blunt

Emily Blunt faces her fear of singing in front of people on Monday's The Ellen DeGeneres Show.

The star of the upcoming Mary Poppins Returns confesses to that fear on Monday's episode of the talk show, whose host then convinced her to take the stage to perform in front of her audience.

The Backstreet Boys then appear to perform their hit "I Want It That Way" with the actress, including a brief solo for her.

Also during her appearance, Blunt reveals that she was "completely shocked and slightly terrified" when she received a call from director Rob Marshall telling her she was his only choice to in the sequel and that when she told a friend she was taking on the iconic character, her friend told her she had to have "balls of steel" to do it.

Watch both clips below.