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They stars were warned in a memo to cover up, and judging by Sunday night’s Grammy red carpet, they took heed of the notice, which was surprising in itself.

However, the biggest shock of the night came from Rihanna, who was hands down the best dressed celebrity of the night.

The star looked absolutely stunning in a red custom Azzedine Alaia gown and thankfully, her worst accessory (Chris Brown), was not draping from her gorgeous arm.

Here is a look at the world of Grammy fashion through the eyes of the Instagram lens;

Jennifer Lopez channeled Angelina Jolie circa Oscars 2012 (expect the memes tomorrow).

“They didn’t say anything about leg!” she exclaimed about her slit-up-to-there Anthony Vaccarello ensemble. “I thought I was being such a good girl! A little shoulder, a little leg.”

Taylor Swift did her best to come across as all angelic in the wake of another failed romance in a white and cream a J.Mendel gown.

Meanwhile, her reported nemesis, Carrie Underwood rocked it in a glittering black and grey patterned Roberto Cavalli gown, which she accessorized with a 381 carat diamond necklace.

“It’s worth more than me!” she told Ryan Seacrest.

Adele had critics divided with a colourful pink and red Valentino floral dress and matching shoes, with some calling it a curtain. The British star, however, chose the occasion to debut her new tattoo tribute to her son Angelo – a large “A” behind her right ear.

Far removed from her Super Bowl outfit, Beyoncé covered up this time in a Osman black crepe jumpsuit with white panel detailing.

Kelly Rowland went for sultry in Georges Chakra Couture Spring 2013.

Katy Perry literally popped out of her green Gucci gown.

And for the men…

Justin Timberlake looked suave.

Adam Levine looked hot!

But wth was John Mayer thinking?

Who do you think ruled the Grammy red carpet? And who topped your worst-dressed list?