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

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