So that's why you need face tape, Cher... 24 hours after red carpet appearance, 64-year-old shows her natural side

She's never hidden her love of plastic surgery - but Cher's latest attempt to Turn Back Time was on display for all to see at the London premiere of her new movie Burlesque on Monday.

The music legend was spotted sporting sticky tape at the edge of her jawline, in an old Hollywood face-tightening trick.

Toupee tape may have been ­appropriated as boob tape by the younger generation who want to avoid any unfortunate wardrobe malfunctions, but for the more mature stars, ­Sellotape has another application.

Christmas wrapping: Perhaps Cher had suffered a present-wrapping mishap, that sticky tape gets everywhere...

Are you ready for your close-up? Cher didn't look quite so camera-ready - or so youthful - outside Claridge's Hotel on Tuesday afternoon

On a roll: Cher, apparently wearing neck tape, was attempting to Turn Back Time at the London premiere of her new movie Burlesque last night

Marlene ­Dietrich is ­credited with ­pioneering the use of surgical tape to help pull sagging neck skin taut.

The tape is usually concealed under the hairline or a wig - but Cher slipped up when her sticky secret was revealed on the red carpet.

A-listers have also been known to use tiny pieces of clear tape to banish wrinkles around the eyes - but all eyes on Monday night were on Cher's taped neck.

However the tape was missing when she was photographed outside Claridge's Hotel on Tuesday - looking not so camera-ready as she did the night before.

The singer, 64, managed to look years older than she had done the previous night as gravity and ageing took hold.

Aside from her face faux pas on Monday night, Cher showed off her impressive figure in a revealing Julien McDonald nude and black lace gown, which she teamed with towering heels and a bright red wig.

Her risque dress, which has also been seen on WAG Alex Gerrard and socialite Tamara Ecclestone, made sure Cher outshone her younger co-stars Christina Aguilera and Kristen Bell on the red carpet.

Although it's highly unlikely Cher has ever heard of the three women who have worn the dress before, the nude variation of the gown was first seen worn by Cheryl Cole at the Glamour magazine Women Of The Year Awards in early June.

A few weeks later, Mrs Gerrard wore a nude and pink version - with a pink train instead of a black one like Cher - to Sir Elton John's White Tie and Tiara Ball.

Revealing: Cher shows off her impressive figure in a black and nude Julien McDonald Autumn/Winter 2010 'mullet' lace gown at the London premiere of Burlesque on Monday night

Seen this somewhere before: (L-R) Cheryl Cole in a nude variation of the Julien McDonald dress at the Glamour Women Of The Year Awards in June, Alex Gerrard in a darker version a few weeks later and Tamara Ecclestone in July

The following month, it was then worn by Bernie Ecclestone's brunette daughter Tamara to a charity Formula 1 party.

Meanwhile, while Cher was flaunting her figure in her raunchy ensemble, Aguilera went for a more traditional red carpet look in a low-cut black dress with ruched waistline, a fur stole and Christian Louboutin heels.

She was joined by her on-screen nemesis Kristen Bell - who plays the villainous Nikki opposite Aguilera's naive ingenue Ali - who looked sleek in a white floral shift dress.

Comparing outfits: Christina and Cher greet each other inside the Empire Leicester Square

The pair were also joined by handsome co-star Cam Gigandet - who plays Ali's love interest Jack - and director Steve Antin.

Many of the premiere's guests had clearly embraced the burlesque-theme with singer/songwriter Ellie Goulding wearing a tuxedo jacket and shirt with a pair of tights with mock stocking effect.

Former Playboy pin-up Kayla Collins was capitalising on her newfound fame in Britain thanks to I'm A Celebrity... Get Me Out Of Here! as she arrived in a skin-tight black and nude lace dress.

The stars of the show: It was a collision of brassy hair and blousy outfits from the Hollywood stars

Glamour: Christina Aguilera (left) showed off her curves in a low-cut black dress, while co-star Kristen Bell wore a colourful mini floral shift dress

Also in attendance were actress Abi Titmuss, singer Paloma Faith, X Factor choreographer Brian Freidman, Bianca Gascoigne and Big Brother star Aisleyne Horgan-Wallace.

Aguilera turns 30 on Saturday and her upcoming milestone was celebrated at the premiere after party, which was hosted by jewellery desinger Stephen Webster.

Webster presenter the singer with a ring from one of his own collections and Aguilera's boyfriend Matt Rutler gave her a special birthday cake.

Birthday girl: Aguilera and her boyfriend Matt Rutler pose for the cameras at the premiere after party

Make a wish! Aguilera is presented with a cake ahead of her 30th birthday this Saturday, as well as a box with a ring by jewellery designer Stephen Webster, who also hosted the party

After the film was mauled by critics, the movie's stars have been throwing themselves into the publicity campaign, attending junkets and premieres across Europe and North America.

Empire magazine critic Helen O'Hara hailed the script as 'pretty awful', describing the film as 'intentionally or not, it might be the comedy of the year'.

Total Film's Jane Crowther also embraced the comedic elements of Burlesque, despite its 'threadbare' plot.

Embracing the theme: Singer Ellie Goulding (left) wore a pair of tights and mock stockings effect and a tuxedo jacket, while I'm A Celebrity... Get Me Out Of Here! star Kayla Collins wore a low-cut lace dress

Reality bites: (L-R) Actress Abi Titmuss wore a blue sequinned dress by French Connection, Bianca Gascoigne a nude bandeau dress, while Big Brother star Aisleyne Horgan-Wallace wore baby pink dress with peplum detailing

She wrote: 'Like the love-child of Coyote Ugly and Showgirls - and led astray by Chicago - Burlesque is an unashamed theatrical artifice proudly wearing its camp heart on its sequinned sleeve.'

The New York Times' Manohla Dargis said: 'Ms Aguilera doesn’t have much time to embarrass herself.

'She’s a serviceable screen presence who has a voice and an occasional song big enough to keep her from sliding off screen.

'It’s a dutiful, stolid performance in a movie that quickly proves achingly dull...'

That's entertainment: The crowd watched a performance by a troupe of burlesque dancers as they waited in the cold for Aguilera and Cher to arrive

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