Maria Adelaide Mengas Matafome Ferreira (born 23 September 1959) is a Portuguese singer.

She started as a rock singer with the hit "Baby suicida" in 1981. After that, she has sung ballads. She represented Portugal in the OTI Festival 1984 with the song "Vem no meu sonho", placing second. She won the Festival RTP da Canção 1985 with the song "Penso em ti (Eu sei)", which allowed her to represent Portugal in the Eurovision Song Contest 1985 with the song, placing 18th with 9 points.

She is also an actress on television having roles in many Portuguese soap operas.^{[citation needed]}