Triplet love (Demi Lovato Fanfic)

This story goes about three girls. They are triplet sisters. Ruby is the oldest girl who is the daughter off Victoria and David Beckham. They have a special trip and Ruby needs to take care off her little sisters. They go to LA and meet the little girls their idol Demi lovato. Ruby goes through a hard time and Demi tries to help. What will happen between them two? Friends ? Or even more ;) READ TO FIND OUT