Question: Who directed the 2012 film that starred Piper Perabo, Bruce Willis and Emily Blunt?

Context paragraphs:
Beverly Hills Chihuahua: Beverly Hills Chihuahua is a 2008 American family comedy film produced by Walt Disney Pictures, the first in the "Beverly Hills Chihuahua" series.  It is directed by Raja Gosnell and was released on October 3, 2008.  The films stars Piper Perabo, Jamie Lee Curtis and Manolo Cardona as the human leads and Drew Barrymore, George Lopez and Andy Garcia in voice-over roles.  The plot centers on a Chihuahua, Chloe, who gets dognapped in Mexico and has to escape from an evil Doberman, El Diablo, with a help from a lonely German Shepherd, Delgado and a hyperactive male Chihuahua, Papi, who has a desperate crush on her.  A sequel, "Beverly Hills Chihuahua 2", was released on direct-to-DVD on February 1, 2011, and "" was released on September 18, 2012.

Looper (film): Looper is a 2012 American neo-noir science fiction thriller film written and directed by Rian Johnson, and produced by Ram Bergman and James D. Stern.  It stars Bruce Willis, Joseph Gordon-Levitt, and Emily Blunt.  It revolves around criminal syndicates using contracted killers called "loopers" to kill victims sent through time travel.

Carriers (film): Carriers is a 2009 American post-apocalyptic body horror film written and directed by Àlex and David Pastor.  It stars Lou Taylor Pucci, Chris Pine, Piper Perabo and Emily VanCamp as four people fleeing a viral pandemic.

Wake (cancelled film): Wake is a cancelled American action thriller film written by Christopher Borrelli.  The film had Ben Kingsley, Piper Perabo, Cameron Monaghan and Ellen Burstyn set to star.  Filming began on February 16, 2015 in Cleveland, which halted on February 26 due to financial issues.  It was then expected to resume production in 2-3 weeks, but it was postponed for an indefinite time after actor Bruce Willis and director John Pogue left the film due to financing and scheduling issues.

Imagine Me &amp; You: Imagine Me & You is a 2005 German-British romantic comedy film written and directed by Ol Parker, and starring Piper Perabo and Lena Headey with Matthew Goode, Celia Imrie, and Anthony Head.  It centres on the relationship between Rachel (Perabo) and Luce (Headey), who meet on Rachel's wedding day.

The Grass Harp (film): The Grass Harp is a 1995 American comedy-drama film based on the novella by Truman Capote; the screenplay was the final work of Oscar-winning screenwriter Stirling Silliphant.  The film was directed by Charles Matthau, and starred Piper Laurie, Sissy Spacek, the director's father Walter Matthau, Edward Furlong, and Nell Carter.  Piper Laurie won the Best Supporting Actress award from the Southeastern Film Critics Association for her work on the film.

Susan Swan: Susan Swan (born 9 June 1945) is a Canadian author.  Born in Midland, Ontario, she studied at McGill University.  Her list of works includes "The Western Light" (2012),"The Wives of Bath" (1993), and "What Casanova Told Me" (2004).  "The Wives of Bath" was made into the film "Lost and Delirious" in 2001, starring Piper Perabo, Jessica Paré, and Mischa Barton.  The film was listed in the official selection in the Sundance Film Festival.

The Cave (film): The Cave is a 2005 American action horror film, directed by Bruce Hunt.  It stars Cole Hauser, Eddie Cibrian, Morris Chestnut, Marcel Iureş, Lena Headey, Rick Ravanello, Piper Perabo and Daniel Dae Kim.

Cheaper by the Dozen 2: Cheaper by the Dozen 2 is a 2005 American family comedy film produced by 20th Century Fox.  It is the sequel to the family comedy film "Cheaper by the Dozen" (2003).  Shawn Levy, the director of the first film, did not return as director for this sequel, which was instead directed by Adam Shankman ("The Pacifier").  Levy was a producer of the film and made an appearance as a hospital intern in the movie.  Steve Martin, Bonnie Hunt, Hilary Duff, Piper Perabo, Alyson Stoner, and Tom Welling reprise their roles as members of the twelve-child Baker family.  Eugene Levy co-stars as the patriarch of a rival family of eight children.  Carmen Electra portrays Levy's wife.

Piper Perabo: Piper Lisa Perabo ( ;born October 31, 1976) is an American film and television actress.  She is best known for playing CIA Agent Annie Walker in the spy drama series "Covert Affairs", which ran on the USA Network for five seasons between 2010 and 2014.  Since her breakthrough starring role in "Coyote Ugly" (2000), Perabo has appeared in films such as "Cheaper by the Dozen" (2003), "Cheaper by the Dozen 2" (2005), "The Prestige" (2006), and "Looper" (2012).

Supporting paragraphs: Piper Perabo Looper (film)
Answer: Rian Johnson