The White House is the official residence and principal workplace of the President of the United States. Located at 1600 Pennsylvania Avenue NW in Washington, D.C., the house was designed by Irish-born James Hoban, and built between 1792 and 1800 of white-painted Aquia sandstone in the Neoclassical style. It has been the residence of every U.S. president since John Adams. When Thomas Jefferson moved into the house in 1801, he (with architect Benjamin Henry Latrobe) expanded the building outward, creating two colonnades that were meant to conceal stables and storage.

In 1814, during the War of 1812, the mansion was set ablaze by the British Army in the Burning of Washington, destroying the interior and charring much of the exterior. Reconstruction began almost immediately, and President James Monroe moved into the partially reconstructed house in October 1817. Construction continued with the addition of the South Portico in 1824 and the North in 1829. Because of crowding within the executive mansion itself, President Theodore Roosevelt had all work offices relocated to the newly constructed West Wing in 1901. Eight years later, President William Howard Taft expanded the West Wing and created the first Oval Office which was eventually moved as the section was expanded. The third-floor attic was converted to living quarters in 1927 by augmenting the existing hip roof with long shed dormers. A newly constructed East Wing was used as a reception area for social events; Jefferson's colonnades connected the new wings. East Wing alterations were completed in 1946, creating additional office space. By 1948, the house's load-bearing exterior walls and internal wood beams were found to be close to failure. Under Harry S. Truman, the interior rooms were completely dismantled and a new internal load-bearing steel frame constructed inside the walls. Once this work was completed, the interior rooms were rebuilt.

Vanessa Lee Carlton (born August 16, 1980) is an American singer-songwriter and musician. Upon completion of her education at the School of American Ballet, Carlton chose to pursue singing instead, performing in New York bars and clubs while attending university. Three months after recording a demo with producer Peter Zizzo, she signed with A&M Records. She began recording her album, which was initially unsuccessful until Ron Fair took over. Her debut single, "A Thousand Miles", reached the top five on the Billboard Hot 100 in 2002. Her debut album, Be Not Nobody, followed and received platinum certification in the United States. Her subsequent albums, Harmonium (2004) and Heroes & Thieves (2007), failed to exceed the commercial success of the first. She produced a fourth album, Rabbits on the Run (2011) independently before sourcing for a record label to release it.

Conan Christopher O'Brien (born April 18, 1963) is an American television host, comedian, writer, producer and performer. Since November 2010 he has hosted Conan, a late-night talk show that airs on the American cable television station TBS.

O'Brien was born in Brookline, Massachusetts, and raised in an Irish Catholic family. He served as president of the Harvard Lampoon while attending Harvard University, and was a writer for the sketch comedy series Not Necessarily the News. After writing for several comedy shows in Los Angeles, he joined the writing staff of Saturday Night Live, and later of The Simpsons. He hosted Late Night with Conan O'Brien from 1993 to 2009, followed by seven months hosting The Tonight Show with Conan O'Brien, the only person to serve as the permanent host for both NBC programs.

O'Brien was born in Brookline, Massachusetts (a suburb of Boston) to Thomas O'Brien, a physician, epidemiologist, and professor of medicine at Harvard, and Ruth O'Brien (née Reardon), an attorney and partner at the Boston firm Ropes & Gray. He is the third of six children. O'Brien's family is Irish Catholic and descends from pre-Civil War era immigrants. In a Late Night episode, O'Brien paid a visit to County Kerry, Ireland, where his ancestors originated.

Ariana Grande-Butera (born June 26, 1993) is an American actress, singer, and dancer. She made her performance debut on Broadway at age 15. Recently, she has gained attention for her role as Cat Valentine on the Nickelodeon sitcom Victorious.

Grande was born and raised in Boca Raton, Florida. She is of Italian descent, half Sicilian, half Abruzzese.

In 2008, Grande played the role of Charlotte in the musical 13 on Broadway, for which she won a National Youth Theatre Association Award. When she joined the musical, Grande left her high school, North Broward Preparatory School, but continued to be enrolled. The school sent materials to her for study with tutors. She played the role of Miriam in the first reading of the forthcoming musical Cuba Libre composed by Desmond Child. Grande teaches music and dance to children in South Africa each year as a member of Broadway in South Africa.

Grande plays the character Cat Valentine on the Nickelodeon television show Victorious, which premiered in March 2010.

Brian Douglas Williams (born May 5, 1959) is the anchor and managing editor of NBC Nightly News, the evening news program of the NBC television network, a position he assumed in 2004. Williams was listed among Time Magazine's 100 Most Influential People in the World in 2007, and in 2010, a prominent media observer dubbed him "the Walter Cronkite of the 21st century."

Williams was reared in a middle-class Irish Catholic home. His father, Gordon L. Williams, was an executive vice president of the National Retail Merchants Association, in New York. During childhood, his family moved from his birthplace, Ridgewood, New Jersey, to Elmira, New York. He lived in Elmira for ten years before moving to Middletown, New Jersey, when he was in junior high school.

He graduated from Mater Dei High School, a Roman Catholic high school in the New Monmouth section of Middletown. While in high school, he was a volunteer firefighter for three years at the Middletown Township Fire Department. His first job was as a busboy at Perkins Pancake House.