Marvin Gaye's family are suing Robin Thicke and Pharrell Williams over their hit song 'Blurred Lines.
Three of Gaye's children have filed papers accusing the singers of copyright infringement.
They are seeking damages and a portion of profits from the song because they say it copies elements of Gaye's 'Got To Give It Up'.
WATCH the video above for more.
Miley Cyrus Twerking
2013 MTV Video Music Awards - Show(01 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(02 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(03 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(04 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(05 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(06 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform bonstage during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jemal Countess/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Show(07 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform bonstage during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(08 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(09 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Michael Loccisano/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Show(10 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(11 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(12 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(13 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jemal Countess/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Show(14 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jemal Countess/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Show(15 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jemal Countess/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Show(16 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jemal Countess/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Show(17 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jemal Countess/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Show(18 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jemal Countess/FilmMagic) (credit:Getty Images)
2013 MTV Video Music Awards - Backstage(19 of30)
NEW YORK, NY - AUGUST 25: (EXCLUSIVE COVERAGE) Miley Cyrus attends the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Larry Busacca/Getty Images for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(20 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Backstage(21 of30)
NEW YORK, NY - AUGUST 25: (EXCLUSIVE COVERAGE) Miley Cyrus attends the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(22 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs onstage during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Rick Diamond/Getty Images for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(23 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(24 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(25 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(26 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(27 of30)
NEW YORK, NY - AUGUST 25: Robin Thicke and Miley Cyrus perform during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Jeff Kravitz/FilmMagic for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(28 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus and Robin Thicke performs onstage during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Neilson Barnard/Getty Images for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Backstage(29 of30)
NEW YORK, NY - AUGUST 25: (EXCLUSIVE COVERAGE) Robin Thicke and Miley Cyrus attend the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Larry Busacca/Getty Images for MTV) (credit:Getty Images)
2013 MTV Video Music Awards - Show(30 of30)
NEW YORK, NY - AUGUST 25: Miley Cyrus performs during the 2013 MTV Video Music Awards at the Barclays Center on August 25, 2013 in the Brooklyn borough of New York City. (Photo by Kevin Mazur/WireImage for MTV) (credit:Getty Images)