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Jennifer Lopez Wears A Tech-Savvy Dress On 'American Idol,' Looks Magical

Jennifer Lopez's 'American Idol' Dress Is Truly Magical

"Jenny From The Block" no more -- just call her JLo, Queen of Outer Space!

On Thursday, the 45-year-old star performed her new single, "Feel the Light" during a taping of "American Idol" wearing a stunning white floor-length dress and skirt combo by Mariel Haenn. The custom-made off-the-shoulder gown featured a sweetheart neckline reached a 20-foot radius and 40-foot diameter -- almost the entirety of the "American Idol" stage!

But the best part of the dress? It acted as a blank canvas for a special effects light show. As the "Idol" judge belted out the tune from the "Home" soundtrack, lights, colours and special effects were projected onto the dress' giant skirt and train making for quite the epic performance.

Tune in tonight to watch this beautiful performance by @jlo and #TheDress #FeelTheLight #Home #Idol

A video posted by Mariel Haenn (@marielwashere) on

#Jlo and #TheDress #RandM #Moments #AmericanIdol #FeelTheLight #Home

A photo posted by Mariel Haenn (@marielwashere) on

Clearly, they picked the right moment!

What do you think of JLo's dress? Let us know in the comments below!

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