Riley Keoughsaluted the lateLisa Marie Presleytoday via Instagram on the first Mothers Day holiday without her.
It featured a photo of her mother and father, Danny Keough, holding her as an infant.
Expressing her sorrow over her mothers death has been difficult for Keough.
Riley Keough speaks onstage during Deadline Contenders TelevisionJesse Grant/Deadline via Getty Images
She had her husband, Ben Smith-Petersen, read her eulogy at the funeral.
Thesocial mediapost comes as relations are strained between Keough and Priscilla Presley, her grandmother.
Priscilla Presley is contesting Lisa Maries will, which removed her mother as a trustee.
