Will JLo steal the show? Jennifer Lopez is set to co-host this year's Met Gala - here are her best looks over the years at fashion's biggest night with various A-List partners (including Diddy!)

Jennifer Lopez has attended the Met Gala in NYC many times in the past.

Her dresses have always been outstanding with vibrant colors, plunging necklines and dramatic mermaid finishes.

And her dates have been A-list. She has been seen with Diddy, Marc Anthony, Casper Smart, Alex Rodriguez and Ben Affleck. 

Now the This Is Me... Now will be co-chairing the event for Anna Wintour along with Zendaya, Chris Hemsworth and Bad Bunny.

The Met Gala returns on May 6 at The Metropolitan Museum of Art. 

The 2024 Costume Institute exhibition, titled Sleeping Beauties: Reawakening Fashion, will feature approximately 250 items drawn from the Costume Institute’s permanent collection.

Here is a look back at what JLo has worn during the most important night in fashion. 

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1999

The first time she went to the Met Gala was in 1999.

The singer was on the arm of her boyfriend at the time, rapper and music producer P Diddy, also known as Puff Daddy and Sean Combs. 

The beauty from the Bronx wore a pink dress with a matching fur jacket with one clasp. 

He was dashing in a white turtleneck and button free coat. The theme was Rock Style.

The first time Jennifer Lopez attended the Met Gala the singer was on the arm of rapper and music producer P Diddy, also known as Puff Daddy and Sean Combs

 2004

Lopez had plenty of hits under her belt like Maid In Manhattan and Enough by the time she attended the Met Gala in 2004.

And the box office dynamo knew to look her very best when hitting the  carpet. 

The diva was in a black lace tiered dress when she posed with Stefano Gabbana and Domenico Dolce at the event.

Her hair was up in a Swedish braid and she wore ruby red lipstick that made her look like a world class movie icon.

The diva was in a black lace tiered dress when she posed with Stefano Gabbana and Domenico Dolce at the event

2006

Lopez hit her stride in 2006.

The star, whose recent hit was El Cantante, was polished to perfection.

The Jenny From The Block crooner opted for a one-shoulder gown in a soft white color with a sheer mermaid finish and her hair down.

The designer was Versace. 

She added long earrings and carried a clutch purse for a very slick look. 

The theme was Anglomania: Tradition and Transgression in British Fashion.

It was a drastic change in 2006 as Jenny From The Block opted for a one-shoulder gown in a soft white color with a sheer mermaid finish and her hair down

2007

Lopez was promoting her drama Bordertown when she hit the Met Gala in 2007.

There was a 1920s influence for her look which was a stunning show of metallic.

The brown-eyes babe had on a shimmery silver dress from Marchesa that was off the shoulder and had a dazzling belt.

Her glam was perfect too. She added a sparkly hair clip on her curly bob. The clip  matched her earrings and clutch purse. 

The theme was Poiret: King of Fashion.

There was a 1920s influence for this shimmery silver dress that was off the shoulder and had a dazzling belt as she added a hair clip that matched her earrings and clutch purse

2008

In the year 2008 the Wedding Planner actress went with a more feminine look from Alberta Ferretti.

Lopez had on a dusty green one-strap gown with heavy embellishments on the neckline and several folds.

Her strawberry red hair was worn in soft waves and she had on an oversized cuff that matched her drop earrings earrings. 

At the time, she was about to start filming her romantic comedy movie The Backup Plan. 

In the year 2008 the Wedding Planner actress went with a more feminine look as she had on a dusty green one-strap gown with heavy embellishments on the neckline and several folds

2010

This year the star returned to dramatic Hollywood glamour.

Jennifer looked toned and tanned in a remarkable sparkly strapless silver Cinderella style dress with a sweetheart neckline.

The designer was Zuhair Murad. 

The songbird wore her hair up with bangs framing her face as she added diamond earrings.

She held onto a dazzling clutch purse. 

This year the Back-Up Plan star returned to Hollywood glamour with a sparkly strapless silver Cinderella style dress as she wore her hair up

2011

The Parker star made sure to stand out in 2011 with a look from Gucci.

She was red-y for her closeup!

The silver screen goddess went for a ruby look with a halter dress and flowers on her shoulders with a matching pout.

Lopez had her hair pulled back dramatically so the focus could be on her face. 

Her date was husband Marc Anthony whom she wed in 2004 and had twins Max and Emme with.

The Parker star went for a ruby look with a halter dress and flowers on her shoulders with a matching pout as she had her hair pulled back dramatically; seen with Marc Anthony

2013

Her figure was the highlight of this look from Michael Kors.

The On The Floor singer wore a black and nude colored skintight dress that showed off her dancer's lean body.

The cover girl had her highlighted hair up in a big quaff. 

The theme was Punk: Chaos To Couture. 

Her date was dancer Casper Smart, a backup dancer she romanced from 2011 until 2014.

Her figure was the highlight of this look as the El Cantante actress wore a black and nude colored skintight dress with her hair up in a big quaff; seen with Casper Smart

2015

It was a Versace moment for the Boy Next Door star as she modeled a red hot Versace gown.

The movie icon had on mostly sheer dress with red sequins over her private parts; the design to be of a dragon. 

Again, she went with only one strap. 

Her hair was worn down and she had on gold earrings with red eye shadow. 

The theme was China: Through the Looking Glass.

It was a Versace moment for the Boy Next Door star who had on mostly sheer dress with red sequins. Again, she went with only one strap

 2017

The diva harked back to the glamour of the 1970s.

Jennifer was as elegant as can be in a long blue sheer gown over a blue slip from Valentino.

The performer wore her hair worn down her chest and diamond earrings as an accent.

 She took former baseball star Alex Rodriguez as her date for the first time. 

The theme was Rei Kawakubo/Comme des Garcons: Art of the In-Between.

The diva harked back to the 1970s in a long blue gown with her hair worn down her chest and diamond earrings as an accent. She took with her Alex Rodriguez for the first time

2018

The Shades Of Blue actress went for a structured dress from Balmain.

Lopez had on a large cross on the front in rhinestones and cut outs on her chest with a high neckline. Her hair was in a neat bob with a side part. 

The theme was Heavenly Bodies: Fashion and The Catholic Imagination. 

Her date Alex wore all black.

The Shades Of Blue actress went for a structured dress this year with a large cross on the front in rhinestones and cut outs on her chest; with A-Rod

2019

Jennifer took a risk this year with a silver beaded Versace gown that had a plunging neckline and a slit up one leg.

The dancer was wearing a headpiece made of crystals that made her look ready for Las Vegas. 

She added big diamond jewelry and silver platform heels. 

The theme was Camp: Notes on Fashion. 

Her date again was Alex who went with a pink blazer. 

A lot tot take in: Jennifer took a risk this year by wearing a headpiece made of crystals. Her dress was very low cut as was the slit up the side. Her date again was Alex

2021

For the 2021 Met Gala, Jennifer channeled the wild West. 

She wowed  in this dazzling brown Ralph Lauren gown that was so low cut it ended at her belly, offering plenty of cleavage.

The skirt portion was long and had a high slit up one leg.

The beauty was in the accessories: she had on a hat, choker, necklace, long earrings, cuffs and platform silver heels.

Her date for the night was Ben Affleck who wore a black tuxedo with bow tie.

The Met Gala theme was In America: A Lexicon of Fashion.

For the 2021 Met Gala, Jennifer channeled the wild West. She wowed in this dazzling brown Ralph Lauren gown that was so low cut it ended at her belly, offering plenty of cleavage. The skirt portion was long and had a high slit up one leg

Her date for the night was Ben Affleck who wore a black tuxedo with bow tie

2023

The look was inspired by the 1940s as Jennifer had on a fascinator with a black veil over her eyes adding statement earrings.

The former Fly Girl had on a pale pink silk and black velvet custom Ralph Lauren gown that looked retro and modern at the same time.

The focus was on her toned and flat tummy as the later top opened up. A bow around her next made for a nice accent.

Jennifer added black opera gloves for drama and held onto a pink satin clutch purse.

The theme was Karl Lagerfeld: A Line Of Beauty.

The look was inspired by the 1940s as Jennifer had on a fascinator with a black veil over her eyes adding statement earrings. The former Fly Girl had on a pale pink silk and black velvet custom Ralph Lauren gown that looked retro and modern at the same time