13 of the most epic sibling feuds and rivalries of all time
Briefly

The sisters Olivia de Havilland and Joan Fontaine were locked in a rivalry that stemmed from competition for men and acting opportunities, leading to a 40-year silence after multiple disputes.
Patty Andrews claimed that their fans were indifferent about her feud with her sisters, stating, 'When I start singing the Andrews Sisters songs, they don't give a damn whether I talk to my sister or not.'
Britney Spears and her sister Jamie Lynn had a public fallout over social media, showcasing how personal and professional tensions can ignite sibling rivalries.
Read at Business Insider
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