If there's one rule for style-watching on the Grammys red carpet, it's to expect the unexpected!

If there's one rule for style-watching on the Grammys red carpet, it's to expect the unexpected! In the countdown to the 60th Grammy Awards that will be taking place in NYC on Sunday, January 28, here's our roundup of the coolest, craziest and most memorable outfits seen at the annual music extravaganza.
Photos: Getty Images
Photos: Getty Images

Jennifer Lopez pulled out all the stops for her 2000 appearance at the Grammys, stepping out in a plunging green dress. The exotic Versace number was made of silk chiffon and fastened together at the midriff with a glittering brooch. J Lo's dress was so iconic it earned a place in The Grammy Museum in Los Angeles.
Photo: © Getty Images
Photo: © Getty Images

Katy Perry rocked four different dresses at the 2014 awards, including this musical number from Valentino.
Photo: © Getty Images
Photo: © Getty Images

Not only did Adele wow on stage with her performance of "Set Fire to the Rain" but she also turned heads on the red carpet in this floral Valentino dress.
Photo: © Getty Images
Photo: © Getty Images

Madonna had jaws dropping when she showed up in this tailored black ensemble, which she revealed her 8-year-old son David had styled for her.
Photo: © Getty Images
Photo: © Getty Images

Nicki Minaj caused a stir at 2012's Grammy ceremony when she arrived in an unusual voluminous red cape, accompanied by a man dressed as the Pope. Nicki's scarlet outfit, complete with satin gloves, bore Versace's logo in black beads for all to see.
Photo: © Getty Images
Photo: © Getty Images

Rihanna owned the most real estate on the red carpet in 2015 thanks to her voluminous pink creation by Giambattista Valli.
Photo: © Getty Images
Photo: © Getty Images

Always one to make an entrance Lady Gaga arrived at the 2011 Grammys ceremony concealed in a replica egg. When the egg 'hatched' on stage, Gaga emerged from the shell in a gold skirt, croped top and hat.
Photo: © Getty Images
Photo: © Getty Images

Always experimenting with her style, Florence Welch opted for a futuristic green Givenchy couture gown at the 2013 awards.
Photo: © Getty Images
Photo: © Getty Images

Britney Spears took some inspiration from Old Hollywood at the 2001 ceremony.
Photo: Getty Images
Photo: Getty Images

At the 2014 awards, Beyoncé showed off her enviably toned hourglass figure in a white lace dress.
Photo: © Getty Images
Photo: © Getty Images

In 2015, Madonna embraced her inner matador in a design by Riccardo Tisci for Givenchy.
Photo: © Getty Images
Photo: © Getty Images

Pharrell Williams stole the show in 2014 with his famously oversized Vivienne Westwood hat, which was also spotted on Internet sensation Grumpy Cat at the ceremony.
Photo: © Getty Images
Photo: © Getty Images

Katy Perry had a hint of vintage Elizabeth Taylor about her in this embellished keyhole dress at the 2013 Grammys.
Photo: © Getty Images
Photo: © Getty Images

In 2012 Black Eyed Peas singer Fergie wowed in a lace tangerine dress. The star wore visible black undergarments under the Jean Paul Gaultier creation, which she matched with a gold cuff and earrings.
Photo: © Getty Images
Photo: © Getty Images

Jessie J stayed true to her eye-catching outfit choices with a metallic gown by Julien Macdonald. Wearing her black hair up in a sleek ponytail and sporting dark eye makeup, Jessie ensured a dramatic effect.
Photo: © Getty Images
Photo: © Getty Images

Rihanna wearing a Jean Paul Gaultier that evoked some kind of ethereal sea creature! The singer chose a striped white gown with sheer panels and completed her look with heels by Christian Louboutin.
Photo: © Getty Images
Photo: © Getty Images

Kelly Osbourne arrived at LA's Staples Centre in a sparkly Tony Ward number and wearing her purple locks in loose ringlets for the 2012 awards.
Photo: © Getty Images
Photo: © Getty Images

All eyes were on Beyoncé at the 2014 awards as she showed off her enviably toned figure in a white lace dress.
Photo: © Getty Images Photo: © Getty Images
Photo: © Getty Images Photo: © Getty Images

Chrissy Teigen showed off her fashion-forward style credentials as she shimmered in a golden Johanna Johnson dress at the 2014 ceremony.
Photo: © Getty Images
Photo: © Getty Images

Heidi Klum was head to toe in gold at 2011's ceremony. The supermodel matched her glimmering Julien Macdonald creation with a golden pedicure.
Photo: © Getty Images
Photo: © Getty Images

Showing an LBD doesn't need to be understated, Ciara made a dramatic statement in Alexandre Vauthier in 2015.
Photo: © Getty Images
Photo: © Getty Images

In 2012, "Before He Cheats" singer Carrie Underwood stepped out in long-sleeved gown by designer Gomez-Garcia.
Photo: © Getty Images
Photo: © Getty Images

With six awards to pick up, Adele made sure her outfit fit the bill. The bejeweled black Armarni dress provided the perfect backdrop as the "Rolling In The Deep" singer collected her loot of golden trophies.
Photo: © Getty Images
Photo: © Getty Images

Corinne Bailey Rae chose a voluminous black dress with a textured skirt by American designer Christian Siriano for her appearance at The Grammys in 2011.
Photo: © Getty Images
Photo: © Getty Images

Florence and the Machine frontwoman Florence Welch looked chic in a delicate Givenchy gown. Detailed with swans and feathers, the dress made for an ethereal and unique red carpet look.
Photo: © Getty Images
Photo: © Getty Images