Leprechauns, calendar girls, clowns, acrobats and "a whole lot of skin" was seen on the runway at this year's Victoria's Secret Fashion Show, which took place on Nov. 7.

As one of the world's biggest runway shows, the event is attended by celebrities from around the world. Not only does Victoria's Secret debut pieces created exclusively for the show on their supermodels, or otherwise known as Angels, but the night is also filled with musical performers that the brand tries to top every year.

The concert-like fashion show took place this year in New York City's Lexington Armory.

Photo Gallery: Backstage at Victoria's Secret Fashion Show 2012

The show airs on Dec. 4 on CBS but Enstarz went behind the scenes as the transformation began with teams of hairstyles and make-up artists who turned the models in Victoria Secret Angels before they hit the runway.

This year's $2.5 million Floral Fantasy bra, created by London Jewelers of New York, was worn by supermodel Alessandra Ambrosio. Unlike years before, the bra comes with a belt and a diamond-encrusted perfume bottle cover. The bra features two detachable flower pins, and a drop centerpiece that has a 20-carat white diamond, a 12-carat white diamond and a 21-carat pear-shaped ruby. All three items in the Fantasy set together rank up a total of $3 million, according to a London Jewelers spokesperson.

It took over 150 hours to make the handset bra and it has 186 carats of stones in it, all handpicked. The set includes amethysts, tsavorite, sapphires, rubies, and white, pink and yellow diamonds, all set in 18 carat rose or yellow gold.

Commenting on the night's performers, Hart said, "I love Rihanna to get in the mood for anything. I think her music is awesome, its always so upbeat. And I just love Justin Bieber. And he's gonna be on stage when we come out so that's exciting."

Bieber got the crowd wild during his PINK performance and the singer also did an a capella number. More than one model admitted to being a fan of the "Boyfriend" singer's, and model Lilly Aldridge posted on Twitter "I have Bieber fever!"

Aldridge's good friend and the godmother of her daughter, Erin Heatherton, was getting ready for the event fresh off her split from actor Leonardo DiCaprio. She told reporters that she was having the best time at the show and that she could not feel more beautiful.

She said she finds attractive in a guy, "A big heart, sense of humor and just being real, honesty."

The Victoria's Secret Fashion Show will broadcast on Tuesday, Dec. 4, at 10 p.m. ET on CBS.

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Victoria's secret fashion show, Victoria's Secret