Her award was one of five dished out to the BBC soap.
Wallace, who plays the long-suffering wife of wide-boy Alfie Moon, has had a turbulent time in her personal life recently after she jilted her husband just days before their wedding.
The actress has also been involved in some difficult plot lines which involved a stolen baby and the end of Samantha Janus. Enough said.
Young Maisie Smith, who plays Tiffany Butcher, should also get a mention here after she received an award for best young actress. Her acting skills put Albert Square veteran, Ian Beale, to shame on a regular basis.
Boris Johnson recently attacked the Eastenders big wigs after they backed out of a deal to move the show to the east end after the 2012 games.
BoJo fumed: âThis was an opportunity for the BBC to deliver better value for money for hard-pressed licence-fee payersâ?.
The soap can now stick two fingers up at the mayor by showing off its brand new best soap award, voted for by viewers.