Michael Jackson's children

From left, Prince Michael "Blanket" Jackson, Paris Jackson and Prince Jackson arrive at the Michael Jackson The Immortal World Tour in Los Angeles, on Jan. 27, 2012.

Tom Hinckley/Studio 1501 Inc./Stan Lee's Comikaze Expo/AP Images

From left, Lou Ferrigno, Paris Jackson, Stan Lee, Prince Michael Jackson, and Prince Michael Jackson II pose for a photograph at Stan Lee's Comikaze Expo on Sept. 16, 2012, in Los Angeles.

From left, Prince Michael Jackson, LaToya Jackson, Blanket Jackson, Monica Gabor and Paris Jackson attend Mr. Pink Ginseng Drink Launch Party on Oct. 11, 2012, in Beverly Hills, Calif.

From left, Paris Jackson, Prince Michael Jackson and LaToya Jackson attend Mr. Pink Ginseng Drink Launch Party on Oct. 11, 2012, in Beverly Hills, Calif.

Paris Jackson attends the St. Paul Saints vs. The Gary South Shore RailCats baseball game at U.S. Steel Yard on Aug. 30, 2012, in Gary, Ind.

Paris Jackson attends the St. Paul Saints Vs. The Gary SouthShore RailCats baseball game at U.S. Steel Yard on Aug. 30, 2012, in Gary, Ind.

From left, Prince, Blanket and Paris Jackson are seen onstage during the hand and footprint ceremony honoring their father, musician Michael Jackson, in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.

Paris Jackson, center, writes her fathers name in cement as her brother, Prince, left, and Blanket Jackson look on during the hand and footprint ceremony honoring their father, musician Michael Jackson, in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.

From left, Prince Jackson, Prince Michael Jackson II (also known as "Blanket") and Paris Jackson appear onstage at the "Michael Forever" concert to remember the late Michael Jackson at The Millenium Stadium on Oct. 8, 2011 in Cardiff, Wales. Pictures: Michael Forever Tribute Concert

Prince Jackson and Blanket Jackson onstage at the "Michael Forever" concert to remember the late Michael Jackson at The Millenium Stadium on Oct. 8, 2011, in Cardiff, Wales.

Michael Jackson's sister, LaToya, poses with Jackson's children Prince Jackson and Paris Jackson onstage at the "Michael Forever" concert at The Millenium Stadium on Oct. 8, 2011, in Cardiff, Wales. Pictures: Michael Forever Tribute Concert

The family of Michael Jackson celebrate following the "Michael Forever" concert in memory of the late Michael Jackson at The Millenium Stadium in Cardiff, Wales, on Oct. 8, 2011. Pictures: Michael Forever Tribute Concert

From left, Prince Jackson, Blanket Jackson and Paris Jackson appear onstage at the "Michael Forever" concert at The Millenium Stadium in Cardiff, Wales, on Oct. 8, 2011. Pictures: Michael Forever Tribute Concert

From left, Prince Jackson and Blanket Jackson appear onstage at the "Michael Forever" concert at The Millenium Stadium in Cardiff, Wales, on Oct. 8, 2011. Pictures: Michael Forever Tribute Concert

Jackie Jackson, brother of Michael Jackson, poses with his nephew Prince Jackson and niece Paris Jackson onstage at the "Michael Forever" concert at The Millenium Stadium in Cardiff, Wales, on Oct. 8, 2011. Pictures: Michael Forever Tribute Concert

Prince Michael Jackson, center, wrestles with his brother Blanket Jackson as he encourages him to dance on stage for the finale of the "Michael Forever," the tribute Concert at the Millennium Stadium in Cardiff, Wales, on Oct. 8, 2011.

Prince Michael Jackson dances with Paris Jackson on stage for the finale of the "Michael Forever," the tribute Concert at the Millennium Stadium in Cardiff, Wales, on Oct. 8, 2011. Pictures: Michael Forever Tribute Concert

Janet Jackson, Paris Katherine Jackson, LaToya Jackson, Prince Michael Jackson II attend a memorial service of the King of Pop. Pictures: Michael Forever Tribute Concert

Randy Jackson, Prince Michael Jackson I, Paris Jackson — AP

Randy Jackson, left, hugs his nephew Prince Michael Jackson at the Michael Jackson public memorial service held at the Staples Center on Tuesday, July 7, 2009 in Los Angeles. Pictures: Michael Forever Tribute Concert

Paris Katherine Jackson and Prince Michael Jackson onstage at the 52nd Annual Grammy Awards held at Staples Center on Jan. 31, 2010, in Los Angeles.

Lionel Richie, right, hugs Michael Jackson's daughter Paris as he presents her with the Lifetime Achievement award for her father at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. Looking on at left is Prince Michael Jackson. Pictures: Michael Forever Tribute Concert

Paris and Prince Jackson await the start of the funeral for their father, Michael Jackson at Forest Lawn Memorial Park in Glendale, Calif., on Sept. 3, 2009. Pictures: Michael Forever Tribute Concert

Paris Jackson is supported by her family after speaking about her father during the memorial service for Michael Jackson at the Staples Center in Los Angeles, July 7, 2009. Pictures: Michael Forever Tribute Concert

Katherine Jackson, right, arrives with Michael Jackson's daughter, Paris, rear center, to the memorial service for the late pop star in Los Angeles on July 7, 2009.

Singer Janet Jackson, left, Paris Katherine Jackson, Prince Michael Jackson II, and LaToya Jackson are seen on stage during the memorial service for Michael Jackson at the Staples Center in Los Angeles, July 7, 2009. Pictures: Michael Forever Tribute Concert

Paris Jackson, left, Prince Michael Jackson I and Prince Michael Jackson II on stage during the memorial service for Michael Jackson at the Staples Center in Los Angeles, July 7, 2009. Pictures: Michael Forever Tribute Concert

Paris Jackson is supported by her family after speaking about her father during the memorial service for Michael Jackson at the Staples Center in Los Angeles, July 7, 2009.

Blanket Jackson, right, leaves Forest Lawn Memorial-Park in Glendale after the burial of his father Michael Jackson. Pictures: Michael Forever Tribute Concert

Paris Katherine Jackson, left, and Prince Michael Jackson II, also known as Blanket, are shown at the Michael Jackson public memorial service held at Staples Center on July 7, 2009, in Los Angeles. Pictures: Michael Forever Tribute Concert

Prince Jackson, with his grandfather Joe Jackson, leaves Forest Lawn Memorial-Park in Glendale after the burial of Michael Jackson. Pictures: Michael Forever Tribute Concert

Prince Michael Jackson II center, the youngest son of Michael Jackson, joins his brother and sister, Prince Michael and Paris Katherine, behind him, on stage at a public memorial service for the late King of Pop, held at Staples Center on July 7, 2009 in Los Angeles. Pictures: Michael Forever Tribute Concert

Prince Michael Jackson I, left, Paris Jackson and Prince Michael Jackson II walk off stage during the memorial service for Michael Jackson at the Staples Center in Los Angeles, on July 7, 2009. Pictures: Michael Forever Tribute Concert