The word lady is a polite term for a woman, specifically the female equivalent to, or spouse of, a lord or gentleman, and in many contexts a term for any adult woman. Once relating specifically to women of high social class or status, over the last 300 years it has spread to embrace all adult women, though in some contexts may still be used to evoke a concept of "lady-like" standards of behaviour.

The word comes from Old English hlǣfdige; the first part of the word is a mutated form of hlāf, "loaf, bread", also seen in the corresponding hlāford, "lord". The second part is usually taken to be from the root dig-, "to knead", seen also in dough; the sense development from bread-kneader, or bread-maker, or bread-shaper, to the ordinary meaning, though not clearly to be traced historically, may be illustrated by that of "lord".

The primary meaning of "mistress of a household" is now mostly obsolete, save for the term landlady and in set phrases such as "the lady of the house." This meaning is retained in the southern states of the USA, however, in the title First Lady for the wife of an elected official. In many European languages the equivalent term serves as a general form of address equivalent to the English Missus usually written Mrs (French Madame, Spanish Señora, Italian Signora, German Frau, Polish Pani, etc.). In those languages it is correct to address a woman whose name is unknown as Madame, Señora, etc., but in English "lady" has for centuries only normally been a "term of address" in the plural, which is also the case for "gentleman". The singular vocative use was once common but became confined to poetry. The equivalent English term for politely addressing a woman is Madam or Ma'am.

Stefani Joanne Angelina Germanotta (/ˈstɛfəniː dʒʌrməˈnɑːtə/ STE-fə-nee jurr-mə-NAH-tə; born March 28, 1986), known by her stage name Lady Gaga, is an American singer and songwriter. Born and raised in New York City, she primarily studied at the Convent of the Sacred Heart and briefly attended New York University's Tisch School of the Arts before withdrawing to focus on her musical career. She began performing in the rock music scene of Manhattan's Lower East Side, and was signed with Streamline Records by the end of 2007. During her employment as a songwriter for the record company, her vocal abilities captured the attention of recording artist Akon, who signed her to his label Kon Live Distribution.

Lady Gaga came to prominence as a recording artist following the release of her debut album The Fame (2008), which was a critical and commercial success that topped charts around the world and included the international number-one singles "Just Dance" and "Poker Face". After embarking on the The Fame Ball Tour, she followed the album with The Fame Monster (2009), which spawned the worldwide hit singles "Bad Romance", "Telephone" and "Alejandro". The album's success allowed her to embark on the eighteen-month long Monster Ball Tour, which later became one of the highest-grossing concert tours of all time. Her most recent album Born This Way (2011) topped the charts of most major markets and generated more international chart-topping singles, including "Born This Way", "Judas" and "The Edge of Glory". Besides her musical career, she involves herself with humanitarian causes and LGBT activism.

Kenneth Donald "Kenny" Rogers (born August 21, 1938) is an American singer-songwriter, photographer, record producer, actor, and entrepreneur. Though he has been most successful with country audiences, he has charted more than 120 hit singles across various music genres and topping the country and pop album charts for more than 200 individual weeks in the United States alone.

Two of his albums, The Gambler and Kenny, are featured in the About.com poll of "The 200 Most Influential Country Albums Ever". He was voted the "Favorite Singer of All-Time" in a 1986 joint poll by readers of both USA Today and People. He has received numerous such awards as the AMAs, Grammys, ACMs and CMAs, as well as a lifetime achievement award for a career spanning six decades in 2003.

Later success includes the 2006 album release, Water & Bridges, an across the board hit, that peaked at #5 in the Billboard Country Albums sales charts, also charting high in the Billboard 200. The first single from the album, "I Can't Unlove You," was also a chart hit. Remaining a popular entertainer around the world, the following year he completed a tour of the United Kingdom and Ireland, telling BBC Radio 2 DJ Steve Wright his favorite hit was "The Gambler". He has also acted in a variety of movies and television shows, most notably the title roles in Kenny Rogers as The Gambler and the MacShayne series as well as his appearance on The Muppet Show.

Michelle LaVaughn Robinson Obama (born January 17, 1964) is the wife of the 44th and incumbent President of the United States, Barack Obama, and is the first African-American First Lady of the United States. Raised on the South Side of Chicago, Obama attended Princeton University and Harvard Law School before returning to Chicago and to work at the law firm Sidley Austin, where she met her future husband. Subsequently, she worked as part of the staff of Chicago mayor Richard M. Daley, and for the University of Chicago Medical Center.

Throughout 2007 and 2008, she helped campaign for her husband's presidential bid and delivered a keynote address at the 2008 Democratic National Convention. She is the mother of two daughters, Malia and Sasha, and is the sister of Craig Robinson, men's basketball coach at Oregon State University. As the wife of a Senator, and later the First Lady, she has become a fashion icon and role model for women, and an advocate for poverty awareness, nutrition and healthy eating.

Demetria Devonne "Demi" Lovato (born August 20, 1992) is an American singer-songwriter, musician, and actress. Her earliest roles included Angela on Barney & Friends, before she became better known for her starring roles in the Camp Rock movies, as Sonny Munroe in the Disney sitcom Sonny with a Chance, and as the star of the 2009 movie Princess Protection Program. She is also involved in philanthropic activities through charity work and various social and environmental causes.

As a solo musical artist, Lovato released her debut album Don't Forget on September 23, 2008. The album debuted at number two on the Billboard 200 selling 89,000 copies in the first week. It has since shipped over 500,000 copies, earning a gold certification in the United States. Lovato released her second album, Here We Go Again, on July 21, 2009. The album debuted at number one on the Billboard 200, selling 108,000 copies in the first week. Her third studio album, Unbroken, was released on September 20, 2011 and peaked at number four on the Billboard 200. She is working on her fourth studio album.