Britney Spears is keen to rebuild her relationship with her sister Jamie Lynn. The 42-year-old pop star followed her sister’s spell on ‘I’m a Celebrity… Get Me Out of Here!’ – the British reality TV show – earlier this year, and Britney is now keen to bury the hatchet with Jamie Lynn. A source told The Sun newspaper: “Britney was supportive of Jamie Lynn going into the jungle and she kept across her time in Australia with some interest. “A lot of water has passed under that bridge and given it is Christmas, Britney is keen to try and put some of their past issues to bed. “Jamie Lynn barely s…