Kalli was the younger of a pair of twins born to Nicole Sorano and Mark Baines on December 16, 1995. She is the youngest Sorano of her generation and has the strongest magic. She and her twin brother, Cameron, are almost inseprable. Kalli met her Bond, Laura Davies, when they were both 20. Both Kalli and Laura live in the same house with Cameron, his wife Rose, and their children.