EXCLUSIVE: Jennifer Lopez on Walking the Red Carpet in Her Iconic GRAMMY Dress: 'It Was a Weird Feeling'

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Nearly two decades later, Jennifer Lopez is still gushing over her iconic GRAMMY dress.

ET caught up with the "Ain't Your Mama" singer in Los Angeles on Thursday, where we asked her about the gorgeous Versace silk chiffon number -- which featured an extremely plunging neckline and dramatic slit -- she wore to the awards show in 2000.

WATCH: Jennifer Lopez Rocks a Sexy White Trench Coat Dress for Launch of New Shoe Collection

Lopez was dating Sean "P. Diddy" Combs, who went by Puff Daddy at the time, and the two were all smiles while walking the red carpet together.

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"I just remember walking onto the red carpet, I was with Puffy [P. Diddy]," she told ET's Carly Steel. "I walked on [the carpet and] I felt like, an energy. Like everything started stirring."

"It was a weird feeling," she continued. "I was like, 'What's happening?' And my dress was happening and I didn't know it."

RELATED: Jennifer Lopez Flaunts Her Curves in Behind-the-Scenes Promo Pic for 'World of Dance'

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Following our interview, Lopez later took to Instagram, still marveling over the dress that landed her a coveted spot on almost every single Best Dressed at the GRAMMYs list 17 years ago.

"Dreams come true...," she captioned it. "#GiuseppexJennifer."

WATCH: Jennifer Lopez on Why She Named a Shoe in Her New Line After Her Daughter: 'She's Soft and Fierce'

And the 47-year-old Shades of Blue star is crushing her goals as of late! In addition to World of Dance, the upcoming NBC dance competition series she's judging and executive producing, Lopez has also teamed up with world-renowned Italian shoe designer Giuseppe Zanotti on a dazzling new shoe line, Giuseppe for Jennifer Lopez.

Hear more on the collection in the video below!