From her mind-blowing opening medley to her off-the-cuff jokes, Jennifer Lopez totally killed it as the host of the 2015 American Music Awards on Sunday. Unsurprisingly, J.Lo’s awards show hosting debut came with several impressive costume changes, each more stunning than the last.

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Here are some of our favorite looks:

BEADED BEGINNINGS

The 46-year-old performer kicked off the show in epic fashion, with a fast-paced medley of some of the year’s most popular songs. She rocked stunning beaded jumpsuit for the performance, which brought the crowd to its feet and started the show in style.

GOOD AS GOLD

Next up, J.Lo was sleek and sexy in this intricate long-sleeved gold cutout dress.

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PRETTY IN PINK

Lopez somehow looked both adorable and glamorous in this beaded pink ombre dress.

SHEER POWER

The singer glided onstage to present the New Artist of the Year award to Sam Hunt in this flowing sheer black cape dress with a star-studded belt.

CLASSY CANARY

Lopez looked old-school glam in this low-cut yellow dress with a sparkling silver belt and matching cape.

PICS: 2015 American Music Awards Arrivals

COUNTING STARS

J.Lo brought out sheer star-embellished sleeves again later in the show with this stunning cleavage-baring silver ensemble.

SILVER STUNNER

Lopez recalled some of her most risque red carpet looks with this stunning sheer gown, which featured silver details in all the right places.

ALL WRAPPED UP

J.Lo went out with a bang, donning this revealing, baby blue criss-crossed number as she thanked the crowd at the end of the show.

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2015 American Music Awards Arrivals