Frankie Sandford Shows Off Baby Bump At 'The Hangover III' Premiere In London (PICTURES)

Frankie's Looking Swell

The Saturdays' Frankie Sandford is looking swell.

The singer showed off her baby bump at 'The Hangover III' premiere in London on Wednesday, as she posed for photos alongside her bandmates.

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Frankie Sandford debuts her baby bump on the red carpet

The 24-year-old, who it feels like only just announced her pregnancy, wore a floor-length silver and white dress with a silver clutch purse.

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Sandford announced she and her footballer fiance Wayne Bridge were expecting a baby by posting on Twitter: "Some big news from me today! Wayne and I are having a baby. We are both SO happy and can't wait for his or hers arrival!"

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Frankie is the third member of The Saturdays to fall pregnant, Una Healy is already mum to one-year-old Aoife Belle, and Rochelle Humes gave birth to a baby girl on Monday morning.

The singer and husband Marvin Humes have named their new daughter Alaia-Mai Humes.

See all the snaps from The Hangover III premiere below...