demi miller, played by shana swash, is the daughter of keith and rosie miller (david spinx and gerry cowper), and the twin sister of darren (charlie g. hawkins). she moves to albert square with her family in september 2004, joining her half brother mickey (joe swash). aged 13 when she first arrives, demi becomes the talk of the square due to her pregnancy. she gives birth to her daughter aleesha miller in october.