United Kingdom, April 20 -- Cher is reportedly adjusting to allegedly becoming a grandmother.

After apparently being contacted about a 15-year-old girl said to be her granddaughter, the 79-year-old singer and actress was said to be left "speechless" at being told her younger son Elijah Blue Allman, 49, is the father of a teenage girl.

The claim was made according to an interview given to The Sun by Kayti Edwards, who said she shares a daughter, Ever, 15, with Elijah.

Kayti, a former model who now runs a horse rescue centre, said she became pregnant in 2010 after a brief relationship with Elijah, and claimed he "never wanted to be a parent".

She said the situation came to wider attention after Elijah disclosed the existence of the chil...