Barbara Windsor will return to EastEnders next year for one of the show's 30th anniversary specials.
Windsor will be reprising her role as Peggy Mitchell for one episode as part of EastEnders' anniversary week.
Viewers last saw Peggy Mitchell make a surprise appearance in a September episode to express displeasure with son Phil's impending marriage to Sharon Watts.
"I am absolutely thrilled that Peggy has been included in the celebrations to mark the 30th anniversary of EastEnders," Windsor has said of her return to the programme.
"What an incredible achievement for all the production, cast and crew, past and present."
EastEnders executive producer Dominic Treadwell-Collins added: "Barbara and Peggy are intrinsically linked with EastEnders and when we planned our explosive anniversary episodes, Peggy was the first name on our list of hoped-for returns.
"Barbara has not only created one of EastEnders' most iconic characters but she's also hugely loved and missed by everyone here. We couldn't celebrate 30 years of EastEnders without Barbara Windsor."
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Peggy pays a visit to Albert Square
© BBC
Windsor took on the role of Queen Vic landlady Peggy Mitchell in 1994, and went on to become one of the show's most popular stars.
The actress left EastEnders back in 2010.
EastEnders' anniversary festivities will also include a 30-minute live episode, in addition to live elements being integrated in other instalments across the week.