Sir Roger Moore 'heartbroken' after death of step-daughter Christina

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Sir Roger Moore has paid tribute to his step-daughter Christina after her death from cancer.

The former Bond actor 88, posted the news alongside photographs of her on Twitter.

Known by her full name Christina Knudsen, she was the daughter of his fourth wife, Kristina "Kiki" Tholstrup.

She was thought to be aged in her late 40s at the time of her death.

Sir Roger Moore and Kristina Tholstrup
Christina was the daughter of Sir Roger Moore's fourth wife Kristina Tholstrup (AP /Christian Alminana)