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...

The Hangover Three Premiere
Zach Galifianakis, Justin Bartha, Ed Helms, Heather Graham, Bradley Cooper, Ken Leong(01 of28)
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From left, Zach Galifianakis, Justin Bartha and guest, Ed Helms, Heather Graham, Bradley Cooper, Ken Leong and guest pose for the camera at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
The Hangover Part 3 European Premiere - London(02 of28)
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Heather Graham arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(03 of28)
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Tanya Burr arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
Justin Bartha, Ed Helms, Bradley Cooper, Zach Galifianakis(04 of28)
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From left, at rear, Justin Bartha, Ed Helms, and Bradley Cooper and at the front, Zach Galifianakis pose for the camera at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
The Hangover Part 3 European Premiere - London(05 of28)
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Mollie King, Una Healy, Vanessa White and Frankie Sandford of The Saturdays arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(06 of28)
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Bradley Cooper arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(07 of28)
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Amelia Lily Oliver arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(08 of28)
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Heather Graham arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
Zach Galifianakis(09 of28)
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Zach Galifianakis signs autographs upon arrival at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
The Hangover Part 3 European Premiere - London(10 of28)
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Ed Helms arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(11 of28)
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Heather Graham arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(12 of28)
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Bradley Cooper arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
Justin Bartha(13 of28)
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Justin Bartha poses with fans at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
The Hangover Part 3 European Premiere - London(14 of28)
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Mollie King, Una Healy, Vanessa White and Frankie Sandford of The Saturdays arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
Ken Leong(15 of28)
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Ken Leong arrives at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
Zach Galifianakis(16 of28)
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Zach Galifianakis arrives at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
Todd Phillips(17 of28)
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Director Todd Phillips arrives at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
Heather Graham(18 of28)
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Heather Graham arrives at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
Ed Helms(19 of28)
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Ed Helms arrives at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
Justin Bartha(20 of28)
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Justin Bartha arrives at the UK premiere of The Hangover Part III at the Empire Leicester Square in London on Wednesday, May 22, 2013. (Photo by Jon Furniss/Invision/AP) (credit:AP)
The Hangover Part 3 European Premiere - London(21 of28)
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Ken Jeong arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(22 of28)
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Zach Galifianakis admires a tree at the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(23 of28)
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Ken Jeong, Tran Ho and Bradley Cooper share a joke at the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover Part 3 European Premiere - London(24 of28)
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Heather Graham arriving for the European premiere of The Hangover Part 3, at the Empire Leicester Square, London. (credit:PA)
The Hangover III - UK Film Premiere(25 of28)
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LONDON, ENGLAND - MAY 22: Heather Graham attends The Hangover III - UK film premiere at The Empire Cinema on May 22, 2013 in London, England. (Photo by Neil P. Mockford/Getty Images) (credit:Getty Images)
The Hangover III - UK Film Premiere(26 of28)
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LONDON, ENGLAND - MAY 22: Zach Galifianakis attends The Hangover III - UK film premiere at The Empire Cinema on May 22, 2013 in London, England. (Photo by Neil P. Mockford/Getty Images) (credit:Getty Images)
The Hangover III - UK Film Premiere(27 of28)
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LONDON, ENGLAND - MAY 22: Bradley Cooper attends The Hangover III - UK film premiere at The Empire Cinema on May 22, 2013 in London, England. (Photo by Neil P. Mockford/Getty Images) (credit:Getty Images)
The Hangover III - UK Film Premiere(28 of28)
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LONDON, ENGLAND - MAY 22: Heather Graham attends The Hangover III - UK film premiere at The Empire Cinema on May 22, 2013 in London, England. (Photo by Neil P. Mockford/Getty Images) (credit:Getty Images)