United Kingdom, Dec. 23 -- Laura Dern has found it difficult to process the death of her mother Diane Ladd.

The 58-year-old star was left heartbroken when her Oscar-nominated mom passed away aged 89 last month and admits that she hasn't completely come to terms with the loss.

Laura told The Hollywood Reporter: "I just haven't gotten there yet - I haven't let myself be in it yet."

The Is This Thing On? actress explained that the emotions surrounding her mother's death feel "so compounded" after the passing of director David Lynch - whom she worked with on the films Blue Velvet and Wild at Heart - in January "and other losses that have happened this year".

Laura said: "But I will say, while I'm deep in the thick of it, looking at photos...