TV
The new run will see the series extended from 16 episodes to 22 after it was cut last year.
The Stage quotes creator Paul Abbott as saying: "I genuinely love the idea of us taking Shameless further - to be ambitious and to pull off stuff that we haven't yet. That excites me beyond belief.
"Shameless is the show I'm most proud of being associated with. There has never been, and still isn't, anything remotely like it. That matters to me."
The show's seventh series is due to air on Channel 4 from January 2010.
Earlier this year, Showtime greenlit a Shameless pilot for US audiences.
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