Kevin Costner's stunning daughter steals the show at 'Black or White' premiere

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Kevin Costner's Stunning Daughter Steals the Show at 'Black or White' Premiere

ET was on the red carpet for the "Black or White" movie premiere, where star Kevin Costner's 28-year-old daughter Lily made a rare appearance.

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In the movie, Kevin plays a widower who finds himself in a custody battle over his granddaughter with the child's paternal grandmother (Academy Award winner Octavia Spencer). Lily sings in the movie.

"She's a beautiful singer," Kevin told ET. "Originally someone else was going to sing Black or White, but they wanted more money than I had. Finally it turned out to be better."

The Oscar winner was flanked by both his daughter and wife of a decade Christine Baumgartner at the Los Angeles premiere on Tuesday, where Christine donned a sheer black top and midi skirt and Lily opted for a show-stopping salmon-colored gown with a thigh-high slit.

"I just look at [Lily] and adore her," Kevin said.

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Kevin Costner's stunning daughter steals the show at 'Black or White' premiere
LOS ANGELES, CA - JANUARY 20: (L-R) Actor Kevin Costner, his wife Christine Baumgartner and their daughter Lily Costner arrive at the premiere of Relativity Media's 'Black Or White' at the Regal Cinemas L.A. Live on January 20, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
UNIVERSAL CITY, CA - MAY 5: Actor Kevin Costner and daughters Annie and Lily Costner attend the 'Flipper' Universal City Premiere on May 5, 1996 at the Cineplex Odeon Universal City Cinemas in Universal City, California. (Photo by Ron Galella, Ltd./WireImage)
US Actor Kevin Costner (L) poses with his daughter Lily on October 24, 2014 as he arrives for the screening of 'Black and White' directed and written by Mike Binder during the Rome Film Festival in Rome. AFP PHOTO/ TIZIANA FABI (Photo credit should read TIZIANA FABI/AFP/Getty Images)
US Actor Kevin Costner (L) poses with his daughter Lily on October 24, 2014 as he arrives for the screening of 'Black and White' directed and written by Mike Binder during the Rome Film Festival in Rome. AFP PHOTO/ TIZIANA FABI (Photo credit should read TIZIANA FABI/AFP/Getty Images)
LOS ANGELES, CA - JANUARY 20: Actor Kevin Costner and actress Lily Costner attend the premiere of 'Black or White' at Regal Cinemas L.A. Live on January 20, 2015 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
NEW YORK - JULY 29: Actor Kevin Costner (L) and his daughter Lily Costner visit the 'Late Show With David Letterman' taping at the Ed Sullivan Theater on July 29, 2008 in New York City. (Photo by Ray Tamarra/Getty Images)
Annie Costner, Kevin Costner, Christine Baumgartner, Joe Costner and Lily Costner arrive at the World Premiere of 'Swing Vote' at the El Capitan Theatre on July 24, 2008 in Hollywood, California. (Photo by Steve Granitz/WireImage)
Lily Costner, Kevin Costner and Christine Costner (Photo by Jim Spellman/WireImage)
LOS ANGELES, CA - MAY 22: Actor Kevin Costner (2R) with his daughters (L-R) Lily, Annie, and wife Christine Baumgartner arrive to the Los Angeles premiere of 'Mr. Brooks' at Grauman's Chinese Theater on May 22, 2007 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)
LOS ANGELES, CA - JANUARY 20: Actor Kevin Costner and actress Lily Costner attend the premiere of 'Black or White' at Regal Cinemas L.A. Live on January 20, 2015 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
Christine Baumgartner, Kevin Costner and daughter, Lily Costner (Photo by Jeff Kravitz/FilmMagic, Inc)
385655 01: Actor Kevin Costner accompanies his girlfriend Christine Baumgartner, second from left, and his daughters Annie, left, and Lily, right, at the premiere of '3,000 Miles To Graceland' at Mann's Chinese Theater February 20, 2001 in Hollywood, CA. (Photo by Laura Farr/Newsmakers)
E362698 14: Kevin Costner and his two daughters attend the Los Angeles premiere of the new movie 'Play it to the Bone' in Hollywood, California, January 10, 2000. (Photo by Brenda Chase)
Kevin Costner & Children Joe, Annie, & Lily at the Cineplex Odeon in Century City, California (Photo by Steve Granitz/WireImage)
Kevin Costner with son Joe Costner and daughter Lily Costner (Photo by Ron Galella/WireImage)
Kevin Costner with son Joe Costner and daughter Lily Costner and friends (Photo by Ron Galella/WireImage)
Kevin Costner with son Joe Costner and daughter Lily Costner (Photo by Ron Galella/WireImage)
UNIVERSAL CITY, CA - MAY 5: Actor Kevin Costner and daughters Annie and Lily Costner attend the 'Flipper' Universal City Premiere on May 5, 1996 at the Cineplex Odeon Universal City Cinemas in Universal City, California. (Photo by Ron Galella, Ltd./WireImage)
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VIDEO: Behind the Scenes of Kevin Costner's "Black or White"

Kevin's family entourage for the night was fitting as the movie deals with familial issues, but it also tackles love and race in modern America -- a topic Kevin was passionate about showing on the big screen.

"We're good at looking backwards -- "Selma" -- but Black or White seemed to be an authentic look at where we're at in the country today with race," Kevin said.

The 60-year-old actor also acted as a producer on the film, investing his own money to ensure that the movie got made. After the movie was made, it was brought to St. Louis where Kevin appeared at a local screening. Kevin explained why it was important to bring the movie there in light of the racial unrest in Ferguson.

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"People watched it and said they could have a conversation," Kevin said. "People watched it and actually laughed. People said they cried. I'm not afraid of the movie. That's why I made it. I'm not afraid to take it to St. Louis."

"Black or White" opens Jan. 30.

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