Grammy Awards 2013 Red Carpet Fashion – The trends, who wore it best and the looks that bombed

Grammy 2013 Fashion - Rihanna stunned while J.Lo unfortunately disappointed

Grammy 2013 Fashion – Rihanna stunned while J.Lo unfortunately disappointed

The Grammy Awards can always be counted on to bring the weird, the wacky and definitely the inappropriate on the red carpet. A look back at Jennifer Lopez’s infamous Versace number and Lady Gaga’s meat dress is all we need as a mental jog. This year,  CBS sent out a letter ahead of music’s biggest night appealing to the stars to be on their best behavior when it comes to fashion. In a letter leaked to several media outlets, CBS’ Standards and Practices department urged the presenters and performers on Sunday night  to “Please be sure that buttocks and female breasts are adequately covered”. The letter also stated, “Thong type costumes are problematic. Please avoid exposing bare fleshy under curves of the buttocks and buttock crack…Bare sides or under curvature of the breasts is also problematic. Please avoid sheer see-through clothing that could possibly expose female breast nipples. Please be sure the genital region is adequately covered so that there is no visible ‘puffy’ bare skin exposure.”

On that note, let’s see if any of the night’s biggest names adhered to the rules. Here are all the hits and misses of the night.

Jennifer Lopez was the first big miss of the night in this black number with thigh-high slit

Black & Skin were huge this evening: Jennifer Lopez was the first big miss of the night in this black number with thigh-high slit

Alicia Keys is leather clad in a black gown with structured bottom

Alicia Keys was leather clad in a black gown with structured bottom

Kerry Rowland rocked some sheer panels in Georges Chakra Couture

Kerry Rowland rocked some sheer panels in Georges Chakra Couture

Christine Teigen showed of her taut tummy and long legs in a black dress

Christine Teigen showed of her taut tummy and long legs in a black dress

Surprise hit: Kathy Griffin in black

Surprise hit: Kathy Griffin in black

Faith Hill went with an LBD with embroidered sheer sleeves

Faith Hill went with an LBD with embroidered sheer sleeves

Carly Rae Jespen also glittered in black

Carly Rae Jespen also glittered in black

Beyonce in color blocked Osman separates

Beyonce’s understated look also shocked the red carpet. The singer looked chic if slightly under dressed in color blocked Osman separates.

The queen of tailored suits --Janelle Monet puts a Spanish style twist on a classic suit

The queen of tailored suits –Janelle Monet puts a Spanish style twist on a classic suit

Karen Fairchild shows how to do animal print the right way

Karen Fairchild shows how to do animal print the right way

Ashanti in floral print

Ashanti in floral print

More skin - Estelle in graphic print dress with stomach slit

More skin – Estelle in graphic print dress with stomach slit

Leading the ladies in color -- Rihanna stunned in red

Leading the ladies in color — Rihanna stunned in red

Natasha Bedingfield in red

Natasha Bedingfield in red

Skylar Grey also went with sparkling red

Skylar Grey also went with sparkling red

Adele steps aways from her usual black in a colorful lace frock

Adele steps aways from her usual black in a colorful lace frock

Katy Perry shows off some serious cleavage in an embellished seafoam gown

Katy Perry shows off some serious cleavage in an embellished seafoam gown

Solange Knowles opted for green sequin dress with side slit

Solange Knowles opted for green sequin dress with side slit

Missing the mark in green - Florence Welch in a Christmas Dinosaur inspired sequin dress

Missing the mark in green – Florence Welch in a Christmas Dinosaur inspired sequin dress

Another miss - Tamia channeled a psychic in this metallic look complete with turban

Another miss – Tamia channeled a psychic in this metallic look complete with turban

Carrie Underwood's Roberto Cavalli number was lukewarm at best

Carrie Underwood’s Roberto Cavalli number was lukewarm at best

Allison Williams in a KaufmanFranco column gown

Allison Williams in a KaufmanFranco column gown

Taylor Swift goes for a modern day Grecian goddess look

Taylor Swift went for a modern day Grecian goddess look in J. Mendel

Alexa Chung was demure in a printed dress

Alexa Chung was demure in a printed dress

The boys didn't disappoint either - Nas

The boys didn’t disappoint either – Nas

Chris Brown in all white

Chris Brown in all white

Drake cleaned up in a tuxedo

Drake cleaned up in a tuxedo

Justin Timberlake experimented with classic black and white

Justin Timberlake experimented with classic black and white

Trey Songz looked quite dapper in his tux

Trey Songz looked quite dapper in his tux

Take a trip down memory lane and relive last year’s best and worst red carpet moments.