Gaga has described her high-school self as 'very dedicated, very studious, very disciplined' but also 'a bit insecure'. From age 11, she attended the Convent of the Sacred Heart, a private all-girls Roman Catholic school. Brought up on the Upper West Side of Manhattan, Gaga said in an interview that her parents came from lower-class families and worked hard for everything. Her parents are Cynthia Louise ( née Bissett), a philanthropist and business executive, and Internet entrepreneur Joseph Germanotta, and she has a younger sister named Natali.

Both of her parents have Italian ancestry. Stefani Joanne Angelina Germanotta was born on March 28, 1986, at Lenox Hill Hospital in Manhattan, New York City, to an upper middle class Catholic family. Gaga's business ventures include Haus Labs, a vegan cosmetics brand launched in 2019. Her philanthropy and activism focus on mental health awareness and LGBT rights she has her own non-profit organization, the Born This Way Foundation, which supports the wellness of young people. Time magazine named her one of the 100 most influential people in the world in 20 and placed her on their All- Time 100 Fashion Icons list. She has also been included in several Forbes ' power rankings and ranked fourth on VH1's Greatest Women in Music (2012). Her accolades include 13 Grammy Awards, two Golden Globe Awards, 18 MTV Video Music Awards, awards from the Songwriters Hall of Fame and the Council of Fashion Designers of America, and recognition as Billboard 's Artist of the Year (2010) and Woman of the Year (2015). Having sold an estimated 170 million records, Gaga is one of the world's best-selling music artists and the only female artist to achieve four singles each selling at least 10 million copies globally. She both released her second collaborative album with Bennett, Love for Sale, and starred in the biopic House of Gucci in 2021. Gaga returned to dance-pop with her sixth studio album, Chromatica (2020), which yielded the number-one single ' Rain on Me'. Her contributions to the latter's soundtrack, which spawned the chart-topping single ' Shallow', made her the first woman to win an Academy Award, BAFTA Award, Golden Globe Award, and Grammy Award in one year. She ventured into acting, winning awards for her leading roles in the miniseries American Horror Story: Hotel (2015–2016) and the musical film A Star Is Born (2018). Following her EDM-influenced third album, Artpop (2013), and its lead single ' Applause', Gaga released the jazz album Cheek to Cheek (2014) with Tony Bennett, and the soft rock album Joanne (2016).

The title track became the fastest-selling song on the iTunes Store, with over one million downloads in less than a week. Her second full-length album, Born This Way (2011), explored electronic rock and techno-pop and sold more than one million copies in its first week. Gaga's five succeeding albums all debuted atop the US Billboard 200.

The album was later reissued to include the extended play The Fame Monster (2009), which yielded the successful singles ' Bad Romance', ' Telephone', and ' Alejandro'. Gaga had her breakthrough the following year with her debut studio album, The Fame, and its chart-topping singles ' Just Dance' and ' Poker Face'. After Def Jam Recordings canceled her contract, she worked as a songwriter for Sony/ATV Music Publishing, where she signed a joint deal with Interscope Records and KonLive Distribution, in 2007. She studied at Collaborative Arts Project 21, through the New York University Tisch School of the Arts, before dropping out to pursue a career in music. Gaga began performing as a teenager, singing at open mic nights and acting in school plays. She is known for her image reinventions and versatility in the entertainment industry. Stefani Joanne Angelina Germanotta ( / ˈ s t ɛ f ən i ˌ dʒ ɜːr m ə ˈ n ɒ t ə/ ⓘ STEF-ən-ee JUR-mə- NOT-ə born March 28, 1986), known professionally as Lady Gaga, is an American singer, songwriter, and actress.

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