Question: Who was a American actress, dancer, and singer, which introduced the song "They all Laughed"?

Context paragraphs:
They All Laughed (song): "They All Laughed" is a song composed by George Gershwin, with lyrics by Ira Gershwin, written for the 1937 film "Shall We Dance" where it was introduced by Ginger Rogers as part of a song and dance routine with Fred Astaire.  The lyrics compare those who "laughed at me, wanting you" with those who laughed at some of history's famous scientific and industrial pioneers, asking, "Who's got the last laugh now?"  People and advances mentioned are Christopher Columbus's proof the earth is round; Thomas Edison's phonograph; Guglielmo Marconi's wireless telegraphy; the Wright brothers's first flight; the Rockefeller Center; Eli Whitney's cotton gin; Robert Fulton's "North River Steamboat"; Milton S. Hershey's Hershey bar chocolate; and Henry Ford's "Tin Lizzy" Model T car.

The Ginger House: The Ginger House, the birthplace and childhood home of the American actress, dancer, and singer, Ginger Rogers, is a tourist attraction and museum located in Independence, Missouri, United States, at 100 W Moore Street.  This small Craftsman style bungalow was built between 1906 and 1910 by Oscar Mindrup, a local real estate investor and city councilman.  This site is the birthplace of Hollywood film actress/dancer Ginger Rogers.  Virginia Katherine McMath (Ginger) was born on July 16, 1911 to Lela Owens McMath, who was estranged from her husband.

Let's Dance (Slovak TV series): Let's Dance (in English) is the Slovak version of "Dancing with the Stars".  Four seasons were broadcast by TV Markiza (1st in the autumn of 2006), hosted by Adela Banášová and Martin "Pyco" Rausch (both of them also hosted the program "Slovensko hľadá SuperStar" (Slovak version of "American Idol") on STV in 2005 and 2006).  The winners of 1st season were Zuzana Fialová (a noted Slovak actress) and Peter Modrovský (a professional dancer).  The winners of 2nd season were Michaela Čobejová (Slovak actress) and Tomáš Surovec (a professional dancer).  The winners of 3rd season were Juraj Mokrý (Slovak actor and humorist) and Katarína Štumpfová (a professional dancer).  The winners of 4th season were Nela Pocisková (Slovak actress and singer) and Peter Modrovský (a professional dancer).  The winners of 5th season were Janka Hospodárová (Slovak TV presenter) and Matej Chren (a professional dancer).

List of songs recorded by Alyssa Milano: American actress and singer Alyssa Milano has recorded songs for four studio albums, two compilation albums, and an exercise video.  She first came to prominence within the entertainment industry for her portrayal of Samantha Micelli in the television sitcom "Who's the Boss? ", which premiered in September 1984.  While acting on the television series, she recorded and released music exclusively in Japan through the Japanese record label Pony Canyon, Inc. Pony Canyon, Inc. signed Milano to a five-album deal based on her appearance and personality, which was a common practice by Japanese record labels in their efforts to produce Japanese idols.  The label also choose Milano due to her popularity in Asia from her role as Jenny Matrix in the 1985 film "Commando".  Throughout her musical career, Milano had little involvement with the songwriting and production of her albums.  She did not express any interest in releasing her music in the United States, and said: "A lot of actors who release albums here are laughed at, I'm not interested in crossing over.  I'd much rather have it released where it's appreciated than laughed at."

Julie White: Julie White (born June 4, 1961) is an American actress of film, stage and television.  She is a Tony Award winner for the play "The Little Dog Laughed".  She may be best known for her role as Nadine Swoboda in the television series "Grace Under Fire" and for her role as Judy Witwicky in the "Transformers" film series.

Ginger Rogers: Ginger Rogers (born Virginia Katherine McMath; July 16, 1911 – April 25, 1995) was an American actress, dancer, and singer, widely known for performing in films and RKO's musical films, partnered with Fred Astaire.  She appeared on stage, as well as on radio and television, throughout much of the 20th century.

Ari Graynor: Ariel Geltman "Ari" Graynor (born April 27, 1983) is an American actress, known for her roles in TV series such as "The Sopranos" and "Fringe", in stage productions such as "Brooklyn Boy" and "The Little Dog Laughed", and in films such as "Whip It" and "For a Good Time, Call...".  She also starred as Meredith Davis on the short-lived CBS television sitcom "Bad Teacher", which was cancelled on May 10, 2014.

Olivia Alexander: Olivia Alexander (born Olivia Usey; May 17, 1988) is an American actress, singer, dancer, designer, and entrepreneur.  An actress who first fell into her screen niche playing beautiful and voluptuous characters, Olivia Alexander is a dynamic triple threat, dancer, singer and producer, whose one-of-a-kind style has garnered her attention in all areas of the media.  Alexander has appeared in commercials, music videos, feature films and has even starred, produced, and created her own reality show: LOVE SCOUTS(Oxygen).

Hope Clarke: Hope Clarke (born March 23, 1941) is an American actress, dancer, vocalist, choreographer, and director.  Clarke performed as principal dancer with the Katherine Dunham Company and the Alvin Ailey American Dance Theater, 1960s; actress on stage, film, and television, 1970s–1980s; choreographer and director, 1980s--.  Clarke served on the Tony Awards Nominating Committee for the 2011–12 Broadway season.  Clarke made history in 1995 when she became the first African American, as well as the first African-American woman, to direct and choreograph a major staging of the opera-musical "Porgy and Bess".  Clarke's production of the George Gershwin classic was staged in celebration of the work's 60h anniversary, and it toured not only major American cities but Japan and Europe as well.  Clarke drew critical acclaim for her commitment to staging the show as a monument to African-American community and pride, giving a more hopeful, positive aura to a story that has been criticized for its stereotypes.  As for the director herself, the success of "Porgy and Bess" is just the latest accolade in a long career devoted to dance and drama.

Zoe Saldana: Zoe Saldana-Perego (born Zoe Yadira Saldaña Nazario; June 19, 1978), known professionally as Zoe Saldana or Zoë Saldana, is an American actress, model, singer and dancer.  Following her performances with the theater group Faces, Saldana made her screen debut in an episode of "Law & Order" (1999).  Her film career began a year later with "Center Stage" (2000), where she played a struggling ballet dancer, followed by a role in "Crossroads" (2002).  Saldana's breakthrough came in 2009 with the roles of Nyota Uhura in "Star Trek" and Neytiri in James Cameron's "Avatar" (2009).  The latter film received widespread acclaim, and is the highest-grossing film of all time.  Saldana continued her career with films such as "Colombiana" (2011), "Out of the Furnace" (2013), "Star Trek Beyond" (2016) and "Live by Night" (2016).  Since 2014, she has portrayed Gamora in the Marvel Cinematic Universe, beginning with "Guardians of the Galaxy".

Supporting paragraphs: They All Laughed (song) Ginger Rogers
Answer: Ginger Rogers