The 'It Takes Two' host said the late TV presenter's performances were his favourite dances.
The late presenter's mum said it hurts when people claim they were close to her daughter.
The 'Love Island' host paid tribute to her late friend as she spoke of her excitement for the new series.
Caroline Flack is remembered by her loved ones in a new documentary, while Amanda Holden and Alan Carr investigate their heritage.
While it questions the media treatment Flack faced, the documentary is at its brightest when it pays tribute to the presenter.
Channel 4 has revealed it is working on documentary about Love Island presenter Caroline Flack who took her own life earlier this year
The presenter, who replaced Flack as host of 'Love Island' before the latter's death, said it’s okay to deal with grief privately.
Christine Flack said she did everything she could think of to persuade her daughter her life was worth living.
Strictly judges, dancers and viewers respond to emotional Caroline Flack tribute on winners' special Strictly: The Best Of The Final