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Carlos Irwin Estevez (born September 3, 1965), better known by his stage name Charlie Sheen, is an American film and television actor. He is the youngest son of actor Martin Sheen.

His character roles in films have included Chris Taylor in the 1986 Vietnam War drama Platoon, Jake Kesey in the 1986 film The Wraith, and Bud Fox in the 1987 film Wall Street. His career has also included more comedic films such as Major League, the Hot Shots! films, and Scary Movie 3 and Scary Movie 4. On television, Sheen is known for his roles on two sitcoms: as Charlie Crawford on Spin City and as Charlie Harper on Two and a Half Men. In 2010, Sheen was the highest paid actor on television, earning US$1.8 million per episode of Two and a Half Men.

Sheen's personal life has also made headlines, including reports about alcohol and drug abuse and marital problems as well as allegations of domestic violence. He was fired from his role on Two and a Half Men by CBS and Warner Bros. on March 7, 2011. Sheen subsequently announced a nationwide tour.

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.