By Emily Sheridan

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Lady Gaga has been channelling a seaside theme in recent days.

However never one to stay in one style for long, the singer stepped out in a hybrid of mermaid meets office executive meets Mad Hatter in London on Wednesday.

After popping out for fish 'n' chips on Tuesday night in a bra, PVC and seashells in her hair, the 27-year-old wore another similar hairdo.

The Mad Hatter: Lady Gaga leaves her London hotel in a feathered hat and seashells in her hair on Wednesday evening

The Mad Hatter: Lady Gaga leaves her London hotel in a feathered hat and seashells in her hair on Wednesday evening

Ready for business: Gaga looked smart... ish, if you ignored her hair

Ready for business: Gaga looked smart... ish, if you ignored her hair

She certainly looked ready for business in the grey Vivienne Westwood skirt suit and cream heels, which she teamed with a black handbag Margaret Thatcher would have been proud of.

Of course there was a cheeky nod to her more risqu style with a flash of her baby blue Elle Macpherson 'Dentelle' bra.

The New Yorker teamed her smart ensemble with a black feathered hat perched on the side of her head, with her long curly wig covered in seashells and starfishes.

Earlier that day, Gaga admitted she had been busy rehearsing for her upcoming iTunes Festival concert at the Roundhouse in Camden, North London.

Making an exit: The singer looked smart as she left her hotel for a evening out in the capital

Making an exit: The singer looked smart as she left her hotel for a evening out in the capital

Countdown is on: Lady Gaga is in London to perform at the iTunes Festival this weekend

Countdown is on: Lady Gaga is in London to perform at the iTunes Festival this weekend

She tweeted fans, aka her 'little monsters', giving them a dress code for the gig, which she has renamed Swinefest.

She wrote: 'I will be providing a list of acceptable attire for #SwineFest throughout the week. Item 1: Seashells. Item 2: Seahorses 3: Starfish.

'I would also suggestion 4. Paint colored dreadlocks for securing 'under the sea' Boticelli-Punk accessories. More fashion updates to come! X.'

Greeting her Little Monsters: Plenty of Gaga's fans were camped outside the hotel to greet her

Greeting her Little Monsters: Plenty of Gaga's fans were camped outside the hotel to greet her

To inspire her fans, she posted a short clip of Ariel from the Disney animation Little Mermaid looking distressed before swimming away.

She said: 'Rehearsing my routines! I really need to get my mic + cassette player duo back from my mom, that thing was the best. #neverfailedm.'

Getting her skate off: Lady Gaga signs a skateboard for one of her fans

Getting her skate off: Lady Gaga signs a skateboard for one of her fans

Smile! Lady Gaga takes a self-portrait for one of her fans

Smile! Lady Gaga takes a self-portrait for one of her fans

On Tuesday night Gaga visited her favourite London chip shop, Seashell of Lisson Grove in Marylebone for a takeaway for her and her entourage.

She ordered haddock, chips and popcorn prawns - a dish exclusive to the popular restaurant's takeaway menu.

Lady Gaga plays the iTunes Festival on September 1. For more information about the festival, visit the iTunes website.

Not ready for her close-up: Gaga looks a bit stunned as a fan takes a selfie

Not ready for her close-up: Gaga looks a bit stunned as a fan takes a selfie

The comments below have not been moderated.

Ya dumb people cant find anything to complain about gaga for and now that she dresses "Normal" like so many of you put it you STILL find things to criticize her about. Why don't all you negative haters just find something else to talk about and get a life. Because you must not have one to spend time picking out all the negatives....Shes showing that she has taste style and class so get over yourself already and let her shine...

Quite Normal for her!

A touch of Helena Bonham Carter going on there... Gaga could be in a Tim Burton movie.

both the jacket and the skirt are ill fitting, too large for her.

something wrong with that women

I dunno why but I think she looks so lovely, and quirky. Like someone out of Alice in Wonderland.

she looks desireable, and a nice feather arrangement as well.

Nice feather ensemble.

Desperate!

a normal outfit and then it's like she's been dragged across the beach on her head.

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