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Jamie Lynn Spears and her older sister, Britney Spears, have a strained relationship.Over the years, Jamie Lynn defended her sister against critics.Jamie Lynn recently spoke about Britney on the TV show "I'm A Celebrity... Get Me Out of Here!"Jamie Lynn Spears has made a name for herself as an actor in Hollywood, but to most people, she's recognized as the younger sibling of pop superstar Britney Spears.
Over...