All Fed Up! Back to work for glum-looking The Saturdays as they nurse their post-hen party hangovers at a fan meet-and-greet

All Fed Up! Back to work for glum-looking The Saturdays as they nurse their post-hen party hangovers at a fan meet-and-greet

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UPDATED:

23:37 GMT, 1 June 2012

It's been a non-stop party for the girls from The Saturdays with Rochelle Wiseman and Una Healy's hen dos and nights out at some of London's hotspots.

But it was back to work for the ladies today as they arrived at a meet-and-greet with some fans – and they didn't look like they were in the mood.

Rochelle, Una, Mollie King, Frankie Sandford and Vanessa were snapped arriving at an event in east London as part of their work with Nintendo.

Cheer up, girls! The Saturdays singers Mollie King and Vanessa White looked a bit glum as they arrived for a meet-and-greet at a launch party in London today

Cheer up, girls! The Saturdays singers Mollie King and Vanessa White looked a bit glum as they arrived for a meet-and-greet at a launch party in London today

Cheer up, girls! The Saturdays singers Mollie King and Vanessa White looked a bit glum as they arrived for a meet-and-greet at a launch party in London today

They were there to help launch the new Nintendo 3DS system and meet some of their loyal fans as well.

But the girls, especially Mollie and Vanessa, looked like they'd rather be somewhere else and sported rather glum expressions as they arrived for the bash.

All five have been toasting Rochelle's upcoming wedding to JLS star Marvin Humes and Una's nuptials to rugby star Ben Foden.

You must be exhausted! Una Healy and Rochelle Wiseman didn't look as fed up as their bandmates but still rather tired after all their hen shenanigans

You must be exhausted! Una Healy and Rochelle Wiseman didn't look as fed up as their bandmates but still rather tired after all their hen shenanigans

You must be exhausted! Una Healy and Rochelle Wiseman didn't look as fed up as their bandmates but still rather tired after all their hen shenanigans

Last Saturday night the girls joined forces and held a joint hen do in London attended by the rest of the girl group and their friends, including Myleene Klass and TOWIE's Georgina Dorsett.

The two brides were kitted out in traditional hen night accessories – sashes, veils, feather boas, L-plates and garters.

While Rochelle was wearing an orange lacy dress, Una showed off her slim post-baby figure in a Forever Unique bandage dress.

The women started their night off at the Sanderson Hotel in Fitzrovia before moving on to the Rose club in Marylebone.

Summery: Frankie Sandford, who was wearing a very pretty floral dress, was definitely the brightest and breeziest out of the five as she was followed into the event by a glum Vanessa

Summery: Frankie Sandford, who was wearing a very pretty floral dress, was definitely the brightest and breeziest out of the five as she was followed into the event by a glum Vanessa

Summery: Frankie Sandford, who was wearing a very pretty floral dress, was definitely the brightest and breeziest out of the five as she was followed into the event by a glum Vanessa

And Una was no doubt relishing the hair of the dog that bit her after she had a hen for herself and her close friends at the Brompton Club the night before.

She and Ben will marry at Holycross Abbey in her hometown of Thurles, Co Tipperary, at the end of June and celebrity guests will include her band mates and Zara Phillips and her rugby ace
husband Mike Tindall, who has been asked to be an usher.

Rochelle and Marvin are set to tie the knot in July in an
undisclosed location in July, having reportedly sold exclusive pictures
of the big day to a glossy magazine.

Tulisa Contostavlos, Pixie Lott and Olly Murs are rumoured to be among the performers during the wedding reception.

Joining forces: Rochelle and Una teamed up to host a joint hen do for their friends and family last Saturday

Joining forces: Rochelle and Una teamed up to host a joint hen do for their friends and family last Saturday