Lisa Marie Presley’s daughter Riley Keough secretly welcomed a baby girl

Ben Smith-Petersen and Riley Keough married in 2015. They secretly welcomed a baby girl. Keough, an actress, wrote a letter honoring her mother Lisa Marie Presley, who died on Jan. 12.

"Thank you for showing me love is the only thing that matters in this life," he read." I hope I can love my daughter the way you loved me, the way you loved my brother and my sisters." Stephanie Nolasco covers entertainment at Foxnews.com.

"Thank you for giving me strength, my heart, my empathy, my courage, my sense of humor, my manners, my temper, my wildness, my tenacity," the letter continued. "I’m a product of your heart, my sisters are a product of your heart, my brother is a product of your heart."