It has been 10 years since Anna Nicole Smith died from an accidental overdose in 2007, but her young daughter, Dannielynn Birkhead, has found a moving way to connect with her mother: through her art.

In a sneak peek on Good Morning America of a new 20/20 interview airing on Friday, Birkhead’s father Larry Birkhead shared a sweet letter the 10-year-old wrote to explain her love of coloring.

“Ever since my mother’s death, a friend of hers said she would send me pretty butterflies,” Dannielynn wrote. “So, butterflies chase me everywhere and I let the butterfly come out of my pencil...