Hannington, who will be played by Turner, wore a yellow, red and blue outfit, with a light blue necklace to the event in London.

Game of Thrones actress Sophie Turner was joined by real-life jewel thief Joan Hannington at the launch of ITV drama Joan in London on Thursday night

ITV's crime drama Joan, starring Sophie Turner, has finally confirmed a release date. The Game of Thrones star plays real-life jewel thief Joan Hannington in the six-part drama, premiering on ITV1 and ITVX on September 29.

ITV has announced the premiere date for its much-anticipated new drama, Joan. The series, featuring actress Sophie Turner, is set to debut on ITV1 and ITVX on Sunday, September 29, at 9pm. Viewers won't have to wait long for the second episode,

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ITV viewers won't have much longer to wait for the new six-part drama, Joan as the broadcaster has finally revealed the date that the show starring actress Sophie Turner will air

Sophie Turner is set to captivate audiences in the eagerly awaited six-part drama, which will air on ITV1 and ITVX at the end of September

The Game Of Thrones star, 28, portrays one of Britain's most notorious diamond thieves Joan Hannington in the upcoming show, which will be released on ITV1 and ITVX on September 29.