The circus-themed 2012 Victoria's Secret Fashion Show, held annually right before the holidays, aired its taped broadcast on Tuesday, December 4, on CBS, featuring the stunning ladies of the most famous lingerie brand in the world, including Adriana Lima, the Aussie actress married to Orlando Bloom, Miranda Kerr, and the lucky wearer of the annually updated Fantasy Bra, worth $2.5 million this year, Alessandra Ambrosio.

Miranda Kerr at Victoria's Secret Fashion Show 2012, WENN

While the women remained front-and-center at the sexy event, there were a few high-profile performances that got their share of cheers, with different artists singing their tunes during the themed portions of the show. Rihanna, who has recently been flaunting her newfound relationship / friendship with former boyfriend Chris Brown on Twitter and Instagram, showed up in a long, black, corseted dress with a high slit, lace gloves, black stockings and pearl sunglasses while she sang her "Diamonds" for the "Dangerous Liaisons" portion of the show.

Adrianna Lima at Victoria's Secret Fashion Show 2012, WENN

Bruno Mars lent his talents to the "Calendar Girls" portion of the show, where twelve models each took the stage in their Victoria's Secret lingerie — each representing a different month of the year. Justin Bieber arrived to perform "As Long As You Love Me" during intermission, as well as "Beauty and the Beat" for the "Pink Ball" theme of the show, which featured the models clothed in the Victoria's Secret PINK collection. The delighted teenage singer flirted with the ladies as they strutted their stuff on stage.

Alessandra Ambrosio sporting the Fantasy Bra at Victoria's Secret Fashion Show, WENN

For the finale, Ambrosio took the stage in the London Jewelers-created Fantasy Bra, which featured pink, white and yellow diamonds in a colorful undergarment, framing a 20-carat white diamond in the center.

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