Lady GaGa met the Queen ahead of her performance at the Royal Variety Performance last night (Monday 7 December). It capped a weekend when she became the nation's most unavoidable pop star, thanks to a slot on The X Factor. Love her or loathe her, you simply can't ignore her anymore (GaGa, that is, not the Queen). Pic: PA Photos
Lady Gaga made an appearance on 'Britain's Shot Talent' (aka 'The X Factor') last night (December 6), taking to the stage in a giant bathtub. The singer insisted on a closed set for rehearsals. In honour of the firework-breasted exhibitionist, we're taking a look at some of her more outlandish outfits over the years.
The Experts Say: Following her 'X Factor' performance, Gaga stripped to her racy red underwear for a bikini bondage set at the Capital FM Jingle Bell Ball at the O2.
We Say: 'How Clean Is Your House''?
The Experts Say: Gaga relaxes in pink animal print in the back of her chauffeur-driven car.
We Say: Half Lithuanian Van Halen groupie, half sunburnt cheetah. Pic: Photoshot
The Experts Say: This was one of her many MTV VMA ensembles she wore for the awards. In a black lace Jean Paul Gaultier dress, Keko Hainswheeler feather-covered neck brace, Kiko jewelry and a gold face mask, she clearly made quite an entrance.
We Say: Scary doll meets 'The Phantom Of The Opera'. Pic: PA Photos
The Experts Say: Gaga again eschewed the less-is-more approach at the Accessories Council Excellence Gala in New York last month, opting to cover her face in a black veil and wear her underwear on the outside.
We Say: Really scary bag-lady. Pic: PA Photos
The Experts Say: After the MTV VMAs, Lady Gaga changed into this purple seashell-like ensemble and glitter boots to show off her Moonman award.
We Say: Space age mermaid. Pic: PA Photos
The Experts Say: Miss Gaga poses for paps at the Brit Awards at Earls Court earlier this year in a piece is from her own Haus Of Gaga collection, a label run by a collection of close friends and associates.
We Say: Surprisingly restrained - and pretty in pink. Pic: PA Photos
The Experts Say: Lady Gaga turns up at the Billboard Women In Music brunch in October, where she picked up the Rising Star award. She told onlookers the dress was created by "up-and-coming London designer" Holly Russell.
We Say: Cousin It. Pic: PA Photos
The Experts Say: All acts at the Brits were offered St Tropez spray tans ahead of their appearances, and of course Gaga jumped at the opportunity. Speculation is now rife over what she will wear for the Queen during her Royal Variety performance on Monday. She's promised latex.
We Say: ROFL. Pic: PA Photos
The Experts Say: Lady Gaga pictured in a gorgeous black and gold creation at Jet nightclub in Vegas' Mirage hotel all the way back in December 2008.
We Say: The first signs of those wacky costumes to come were starting show... Pic: PA Photos
The Experts Say: With a hair-covered button hat adorning her head, Gaga attended Body Positive North West’s AIDS charity event in Manchester in June, where she helped decorate a garden for HIV positive people.
We Say: Hair-frisbee! Pic: PA Photos
The Experts Say: Gaga grabs the mic at the launch of her new headphones. Heartbeats by Lady Gaga are made by Monster, the company behind Dr Dre's headphones and retail for 240 dollars in the US.
We Say: Grandma, is that you? Pic: PA Photos
The Experts Say: Lady Gaga onstage at Paris' L'Olympia on July 10th as part of 'The Fame Ball' tour. The jaunt took six months, took in four continents and sold out almost every date.
We Say: Prepare to clean the spaceship toilets! Pic: PA Photos
The Experts Say: Stefani Joanne Angelina Germanotta - aka Lady Gaga - strikes a pose in another understated ensemble. Gaga has six tattoos too, including a peace symbol inspired by John Lennon.
We Say: Clown lingerie exists? Pic: PA Photos
The Experts Say: Miss Gaga in another revealing outfit leaning on a crutch. She uses crutches in the controversial video for 'Paparazzi'.
We Say: Someone call a nurse. Pic: PA Photos
The Experts Say: Lady Gaga performs 'Speechless' on a spray-painted grand piano at the 30th anniversary gala for the Museum Of Contemporary Art in Los Angeles last month.
We Say: Somewhere in Blackpool a bingo hall is missing its chandelier. Pic: PA Photos
The Experts Say: In her trademark round glasses, satin dress and oversize hat Lady Gaga strikes a inimitable pose while outing shopping.
We Say: Behold the Hambrella - the hat-umbrella. Pic: PA Photos
The Experts Say: Lady Gaga paired a Maison Michel Fall 2009 lace veil with lace fingerless gloves, a rubber dress and a rubber black cape during her trip to Berlin to promote her headphones in September.
We Say: Deranged vampire. Pic: Photoshot
The Experts Say: Lady Gaga performs at the Dome 49 music show in Hanover. Gaga recently announced that she'll be giving away locks of her hair in a new edition of her debut album 'The Fame', out in the US on December 16th.
We Say: C3PO is going to flip his lid. Pic: Photoshot
The Experts Say: Lady Gaga is performing for The Queen on Monday at Blackpool's Opera House. The Royal Variety Performance will be hosted by Peter Kay and will also see sets from Michael Buble and Alexandra Burke.
We Say: Ice cream! Pic: Photoshot