The revival of the 90s comedy show has proved to be a huge hit among viewers since its return in January this year - 15 years after the last episode originally aired on the BBC.
Starring original cast Pauline Quirke, Linda Robson and Lesley Joseph, the revival series caught up with original Essex girls Sharon and Tracey Stubbs and Dorian Green, who reinvented herself as racy novelist Foxy Cohen.
The future of the show was dependent on the success of the first series, and viewing figures show that it has been ITV's most successful comedy launch in over a decade.
The show has been attracting audiences of up to 9.5 million since its launch, with an average of 8 million viewers.
The first series also starred Busted's Matt Willis, who played Tracey's son Garth Stubbs.
The first series alone has seen guest appearances from former TOWIE star Amy Childs, as well as former EastEnders actor Jamie Foreman.
The Birds of a Feather cast also took over the Loose Women panel for a one-off special.
Show writer Maurice Gran said: "We're delighted Birds of a Feather was such a success on ITV and really pleased to be asked to write another series. We hope the further adventures of Sharon, Tracey and Dorien will continue to thrill audiences young and old."
Steve Sheen of QuirkyMedia Stuff, who co-produce the show, added: "After successfully touring the stage show for two years we knew Birds still had appeal but think we were all excited how many viewers let the original Essex girls into their home for some up to date old fashioned fun!"
The final episode of series one aired last night (6 March), and the new eight-part series will be filmed later this year.
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