AceShowbiz - Young and famous, Taylor Swift and Katy Perry represent stars who don't stop short at anything to channel their creativity. And at the 2019 iHeartRadio Awards, the two showed their very different styles through their fashion on the red carpet.

The country-turned-pop-superstar literally shone at the Thursday, March 14 event in a colorful sequined romper designed by Rosa Bloom that showed off her toned legs. She paired it with matching silver heels.

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Bout to walk out on the @iheartradio carpet, thought I’d show you first 🥰

Sebuah kiriman dibagikan oleh Taylor Swift (@taylorswift) pada 14 Mar 2019 jam 4:30 PDT

Katy, on the other hand, oozed retro vibes in a black-and-white shirt dress with a clear plastic layer on the outside. The "Dark Horse" singer completed the old-school look with a big black belt that clinched her waist, white socks, black shoes, gloves and a headband. She also sported short platinum bob.

Next year's best duo?! @katyperry x @Zedd#iHeartAwards2019pic.twitter.com/7YwSwDsgP7

— iHeartRadio (@iHeartRadio) March 15, 2019

Inside the venue, Microsoft Theater in Los Angeles, she sat next to Heidi Klum who showed an age-defying look in a short animal print dress with sheer layer, matched with brown thigh-high boots. Her long blonde hair was let loose as she sported bangs.

Fashionistas over hereeeee ✨💖@heidiklum@katyperry#iHeartAwards2019pic.twitter.com/p15VqHu8pl

— iHeartRadio (@iHeartRadio) March 15, 2019

Maren Morris was also dazzling on the red carpet in a short glittering dress with a colorful geometric pattern, showing her back tattoo. She wore golden pumps which seemed to be bigger than her actual size and carried a matching purse.

.@MarenMorris is killing the over-the-shoulder #smize game 👀 😍#iHeartAwards2019pic.twitter.com/FtyN6CWZIy

— iHeartRadio (@iHeartRadio) March 14, 2019

Kacey Musgraves wowed in a green cocktail dress designed by Georgian fashion designer David Koma, paired with black shoes. She wore her long black hair loose over her shoulder as she opted for minimum jewelry and soft makeup.

This color on @KaceyMusgraves, I can't! #iHeartAwards2019pic.twitter.com/h2YAVUd4g4

— iHeartRadio (@iHeartRadio) March 14, 2019

Elle Fanning oozed a goddess-like look in a soft nude gown which was embellished with rhinestones across a cross-crossing bodice which flashed her sides. Madison Beer looked sensual in a white strapless gown which a very high slit, showing off her slender legs.

#ElleFanning is a total red carpet pro 👏 📸!#iHeartAwards2019pic.twitter.com/2KxzBKADvm

— iHeartRadio (@iHeartRadio) March 14, 2019

Photographers can’t get enough of @madisonbeer 📸 💕!#iHeartAwards2019 pic.twitter.com/59fIjQwK9t

— iHeartRadio (@iHeartRadio) March 14, 2019

Showing an edgy style, Halsey wore a white top with a black bow tie and blank pants as she sported pink hair. She came with her boyfriend Yungblood, who donned a black biker jacket with some gold chains.

Halsey gave her bow 'bout a hundred ties (hundred ties). #iHeartAwards2019pic.twitter.com/ks2gnZMFqh

— E! News (@enews) March 14, 2019

Other celebrities spotted at the event included Shay Mitchell, Jana Kramer, John Legend, Miguel, Trisha Yearwood and husband Garth Brooks.