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Who could forget J.Lo's plunging necklace phase? At the Jaguar's Tribute to Style Event in 2001, the star smartly balanced this low-cut halter with slicked-back hair and simple hoops.
Her one-shoulder white dress and sparkling silver gladiators at the 2001 Golden Globes is still used as an example of stunning red carpet style.
At the same event three years later, she switched it up, opting for an orange and gold floor-length Michael Kors with her now-trademark deep V and statement earrings.
A pearly clutch and snakeskin Louboutins added some serious sophistication to the bombshell's sexy Ace Awards ensemble in 2006.
Instead of borrowing from a designer, Lopez broke out her own vintage Jean Dessès gown for the 2006 Oscars.
Another example of perfect grooming: the star’s sideswept hair at the 2007 launch of Lorraine Schwartz's Diamond Monkey Collection.
Dripping in jewels and elegant silk drapery, Lopez dazzled in Marchesa at the 2007 Academy Awards Show.
Her glittery Marchesa gown and slightly flapper-esque hairstyle were perfect for the 2007 opening party of the Costume Institute’s exhibit honoring designer Paul Poiret.
Between the sexy leather trench and sky-high metallic pumps, Lopez looked like a badass Bondgirl at the 2009 opening of NYC's Topshop Flagship store.
The sculptural train of this Giorgio Armani Privè was total photographer bait on the 2010 Oscar red carpet.
Jennifer embodied the "American Women" theme of the 2010 Costume Insitute Gala in her universally flattering Zuhair Murad gown.
Zing! This black body-con column dress turned heads at the Vanity Fair Oscars after-party.
On the right person, white can be sexy, as this strapless, slit-to-there Zuhair Murad dress proves at the 2011 Golden Globes.
Dazzling and dramatic in scarlet Gucci (with lips to match) at the 2011 Met Ball.