Lauren Cooper made her first appearance Peggy vs Lauren. She is portrayed by Catherine Tate.
Lauren appears in the Children in Need 2005 special Peggy vs Lauren. Lauren arrives in Walford looking for Stacey Slater and claims she stole her boyfriend. She visits the Launderette and forces Little Mo Slater to tell her where Stacey is. Lauren they visits The Queen Victoria and is told by Peggy Mitchell who is protecting Stacey to leave. Stacey run to get help, whilst Peggy and Lauren argue about whether Peggy is a cockney and if she knows Chaz & Dave.