Yummy mummy! Pregnant Una Healy dons leather corset and sheer skirt as she takes to the stage with The Saturdays

12:32 AM on 25th September 2011

Yummy mummy! Una Healy took to the stage with The Saturdays wearing a leather corset and sheer black skirt

Yummy mummy! Una Healy took to the stage with The Saturdays wearing a leather corset and sheer black skirt

Blooming: The 29-year-old singer recently announced she is three months pregnant Blooming: The 29-year-old singer recently announced she is three months pregnant

Blooming: The 29-year-old singer recently announced she is three months pregnant

Ladies in black: The Saturdays looked chic in their matching outfits

Ladies in black: The Saturdays looked chic in their matching outfits

Belting it out: Frankie Sandford highlighted her tiny waist in her all-black number

Belting it out: Frankie Sandford highlighted her tiny waist in her all-black number