MANILA -- Are sisters Marjorie and Gretchen Barretto taking swipes at each other through their Instagram bios?

On her Instagram bio, Marjorie, the mother of young actress Julia Barretto, identified herself as a a “GHOST WRITER.”

Gretchen, meanwhile, changed her Instagram bio to “GHOST BUSTER.”

The changes in bio came after Gretchen claimed her niece, Julia, hired a ghost writer when the latter issued a statement on her supposed involvement in the breakup of Bea Alonzo and Gerald Anderson.

Julia denied on Tuesday accusations that she was involved in the split and accused Alonzo of “bullying” because of the latter's cryptic Instagram activity.

• Julia Barretto tells Bea Alonzo: ‘I refuse to be your victim’

Anderson earlier denied that Julia was the cause of the split while Alonzo has yet to talk about the young actress in relation to the breakup.

• WATCH: Gerald Anderson clears Julia Barretto in breakup with Bea Alonzo