Peter Travers of Rolling Stones magazine commented "This funny and touching movie depends on two can-do actresses to scrub past the biohazard of noxious clichés that threaten to intrude.
She is set to portray Mary Poppins in the upcoming musical fantasy film Mary Poppins Returns (2018).
Blunt attended Ibstock Place School in Roehampton, southwest London and, at the age of 16, went to Hurtwood House in Dorking, Surrey, a private sixth-form college known for its performing arts programme. In November 2001, Blunt made her professional debut opposite Judi Dench in Sir Peter Hall's production of the play The Royal Family, in which she played the role of the granddaughter Gwen to Dench's Fanny Cavendish.
In 2008, Blunt appeared in two films, Sunshine Cleaning in the role of Norah Lorkowski, an underachiever who starts a crime-scene cleanup business with her sister Rose, played by Amy Adams.
The film premiered at the Sundance Film Festival in 2008, where it received positive reviews, particularly for Adams' and Blunt's performances.
In 2004, Blunt received considerable attention for her performance as Tamsin in the independent British drama My Summer of Love, a love story revolving around two young women from different social and economic backgrounds in the English countryside.
Director Pawel Pawlikowski was highly appraisal of Blunt and co-star Natalie Press, stating in an interview that "Both Natalie and Emily were extremely different and very original, which is a rare thing nowadays.
Blunt played Emily, the senior assistant of Runway magazine editor-in-chief Miranda Priestly, played by Streep.
The film was a commercial and critical success, grossing 6,551,094 Though Streep garnered most of the attention for her role, Blunt's performance was equally praised, with Clifford Pugh of The Houston Chronicle asserting that "[Blunt] has many of the movie's best lines and steals nearly every scene she's in." Blunt was nominated the BAFTA Award for Best Actress in a Supporting Role and the Golden Globe Award for Best Supporting Actress – Motion Picture for her performance.
“They ordered room service, took long walks and spent every second together.
John really cares for Emily — he totally fawns over her. She’s a down-to-earth girl, but it’s nice to be treated so well,” said the unnamed source.
In 2003, Blunt made her screen debut in the British television drama Boudica, about the life of the ancient Celtic warrior-queen who fought the Romans.