Catch of the day! Lady Gaga parties in London in sequin pasties, a fishnet dress and outrageous feather headpiece after meeting Prince Harry
After performing at the Royal Albert Hall with her collaborator Tony Bennett, it was time for Lady Gaga to paint the town red.
And in typical Gaga style, the singer headed out onto the streets of London in the most outrageous outfit she could rustle up.
The 29-year-old pop star stopped traffic as she revealed most of her assets in a beaded fishnet dress, high-waisted black briefs and sequinned nipple pasties.
Causing a stir: Lady Gaga headed out into London in a rather revealing outfit after her concert at the Royal Albert Hall on Monday night
Not one to shy away from attention: Lady Gaga ensured that she couldn't be missed when she stepped out in this racy ensemble
Of course, it wasn't too unusual, as the singer has shown her fondness for breast-baring garments many times in the past and wore three such outfits during her charity concert that night.
Gaga - whose real name is Stefani Germanotta - tottered in towering gold platforms with chunky scarlet red heels.
Her blonde tresses were fixed in place in a neat chignon and she accessoried with ornate silver earrings.
Daring to bare: Gaga's breast-baring outfit consisted of little more than netting and nipples pasties
Revealing: The 29-year-old star was seen leaving the Philip Treacy boutique in Belgravia wearing a beaded fishnet dress, towering platform heels and a striking fascinator headpiece
Watch-out: The singer has trouble seeing where she was going with the massive feathered headpiece in her eyes
Proud: Gaga put her body on show with just a pair of sequinned nipple pasties covering her modesty
The singer was seen making her way to the Philip Treacy boutique in the upscale Belgravia neighbourhood where she picked out one of the designer's exquisite headpieces.
Gaga opted for a massive black feathered fascinator and had a little helping hand from Treacy himself who pinned it into place on her head.
The duo then left the shop hand-in-hand and made their way to Box nightclub in Soho to party the night away.
Leaving little to the imagination: Gaga's outfit was equally revealing from the back
Unmentionables: The performer wore high-waisted underwear and fingerless fishnet gloves
Hold on: The Monster hit maker had a helping hand to navigate the London streets in her outrageous attire
Party time: After leaving his boutique together, Gaga and hat designer Philip Treacy headed out into the night
Of course, Gaga's headpiece was so big the Just Dance hit maker relied on the guiding hands of her companions to make sure she didn't bump into anything as the feathers obstructed her vision.
The fishnet number - with matching fingerless gloves - was one of many outfits that Gaga was seen in on Monday.
Earlier in the evening the star met Prince Harry before performing at the one-off concert which was in aid of WellChild.
She wore a pink bell-sleeved sequinned dress with plunging neckline which left little to the imagination.
This way: The Just Dance singer flashed her derriere in the barely-there ensemble
Painting the town red: The duo were joined by pals as they made their way to Box nightclub
Carefully does it: The singer - real name Stefani Joanne Angelina Germanotta - had quite a job exiting the car in her massive hat
Famous friends: Earlier in the evening the star met Prince Harry before performing at the one-off concert which was in aid of WellChild
Can you see? Gaga's headpiece was so big the Just Dance hit maker relied on the guiding hands of her companions to make sure she didn't bump into anything as the feathers obstructed her vision
Throwing protocol to the wind, Harry hugged the American singer, whose low cut dress was designed by Brandon Maxwell, as they posed for photographs along with her duet partner Bennett, 88.
As Harry was introduced to Lady Gaga, who thanked her for supporting the charity, she said:' We think you are fantastic.'
Gaga has teamed up with the legendary crooner Bennett on a collaborative Grammy award-winning jazz album titled Cheek To Cheek and the duo will be trotting the globe performing until August 1.
Cantre stage: Gaga caused quite a stir as she arrived at Box nightclub in her new headpiece
Off we go: The blonde star made her way through the crowd in Soho
Inside his shop, Philip helped fit Gaga's extravagant new accessory
I want that one! The star perused the store before picking out the black feathered number
Out of my way: The singer headed into the hat store after her performance at the Royal Albert Hall for a special one-off concert benefiting WellChild
Dramatic: The zany star displayed what appeared to be black stick-on eyebrows
Discussing how they teamed up on their new record, Bennett said: 'I heard her personally and said we have to get together.'
Harry told the Octogenarian: 'I can't believe you have the energy, I don't know how you do it.'
Gaga, replied: 'He runs circles around me.
Travelling in style: As Gaga approached the Belgravia store she hung out of the window of her green Rolls Royce
Feeling the breeze: The singer gave onlookers quite an eyeful in her mesh dress as she leaned over
Lots of slap: Completing Gaga's look was thick black eyeliner and pink lipstick
Strutting: The pop star appeared a little unsteady in her very high gold platform shoes
Everyone needs a friend: Gaga and Philip spent time in his boutique where he helped her pick out a headpiece
As if her outfit wasn't eyecatching enough: Gaga's new headpiece made her outfit even more dramatic
Check her out: Gaga left the boutique wearing an incredible feathered headpiece
Like a kid in a candy shop: Gaga scampered in to the store to pick out her new look
Meanwhile the singer was spotted jetting out of Belgrade, Serbia on Sunday after spending some quality time with fiance Taylor Kinney, 33.
The couple were seen enjoying a stroll by the river Danube after a romantic dinner last week.
Taylor - who is currently filming The Forest opposite Natalie Dormer in Belgrade - popped the question to Gaga in February, presenting her with a heart-shaped diamond ring.
Style chameleon: The singer managed to fit in quite a few costume changes during the performance
Unlikely pals: Gaga and Tony Bennett have been winning rave reviews for their jazz-inspired album
Close: The pair have become extremely good friends while working on the album and touring with it
Reaching across the generations: While Gaga and Tony have different fan bases, they have come together for this album
Opposite styles: Tony opted for a dark suit while Gaga changed up her look
Demure: One of Gaga's outfits was surprisingly demure but that didn't last long
Lady in red: Gaga wore another vibrant sheer dress during the concert on Monday night
Daring: There was very little protecting the US singer's modesty in this outfit
Racy lady: Gaga's red netted outfit revealed a huge pair of white underwear and nipple pasties
VIPs: Later on the trio met up again with Elton John jumping in for the photo op
Quick snack: Elton grabbed a quick snack after attending the gig and being driven away in a bright red Bentley
Making them laugh: Prince Harry had Lady Gaga and Tony Bennett in fits of giggles with his jokes
Cheeky: The royal seemingly stole a quick gander at Lady Gaga's low cut attire as they met at the event
What a distraction: Prince Harry couldn't help but notice Lady Gaga's plunging neckline on her gown
A royal audience: Lady Gaga and Tony Bennett listen intently as they chatted to the prince ahead of the WellChild event
Turning heads: The singer revealed some major underboob in a green skirt and poncho style top earlier in the day as she left a Bikram yoga studio
Endless wardrobe choices: Gaga had a whole different look as she stepped out in the afternoon
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