christine bleakley has opened up about the difficulties of becoming a step-mother to frank lampard 's two daughters isla -lrb- on christine 's lap -rrb- , seven , and luna -lrb- far right -rrb- .
the 36-year-old has been in a relationship with the manchester city midfielder for fiver years , and says building a bond with his children has been a careful , ` well-thought-out process .