Rihanna, iHeartRadio Music Awards

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Get ready to gasp... at the best iHeartRadio Music Awards fashion looks of all time.

The star-studded ceremony kicks off on Thursday, March 14, and fans will eagerly await to see which celebrities show up and show out on the red carpet. In the past, Rihanna, Taylor Swift, Demi Lovato and Zendaya (to name a few) have all worn eye-catching outfits that made everyone clutch their pearls.

For those who might not recall, RiRi perfectly blended two styles together with her goth glam lewk at the 2014 awards show. She rocked a black lace gown, snake-green lipstick, bantu knots and flashy jewelry. It hasn't been proven, but we're guessing everyone had "love on the brain" when they saw her get-up.

Another head-turning fashion moment? Hailey Bieber's 2018 red carpet design. She wore an ostentatious jumpsuit that featured ornate beading, bedazzle galore and fringe!

Unlike most events during awards season, the iHeartRadio Music Awards is one of the few shows where celebrities are more playful and eccentric with their style.

Instead of taking a more modest approach, many artists opt for gaudy and risqué attire. That's why there are so many noteworthy fashion moments to hit the show's red carpet.

To see all of the greatest ensembles to grace the iHeartRadio Music Awards, keep scrolling through our gallery. From snazzy pantsuits to peek-a-boo dresses, this list is chock-full of unforgettable designs.

Hailey Baldwin, 2018 iHeartRadio Music Awards

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The 22-year-old model brings the glitz and glam to the red carpet with her flashy Zuhair Murad jumpsuit.

Rihanna, iHeartRadio Music Awards

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Not one to stick to the basics, the "Love on the Brain" singer serves goth glam vibes with her lace black gown and snake-green lipstick.

Halsey, 2017 iHeartRadio Music Awards, Arrivals

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Halsey goes for the gold wearing an audacious marigold ensemble from the Versus Versace Spring 2017 collection. She rocks a wide belt as a top and pairs it with a matching yellow coat and pants.

2016 iHeartRadio Music Awards, Taylor Swift

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Wearing her most daring outfit to date, the Reputation singer ditches the dress for a black sequins Saint Laurent jumpsuit.

Serayah McNeill, 2018 iHeartRadio Music Awards

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The Empire actress looks like the late Aaliyah with her slick-straight hair and Tommy Hilfiger get-up.

Camila Cabello, 2018 iHeartRadio Music Awards, Show

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The "Havana" singer brings the heat to the iHeartRadio stage wearing a flamingo pink gown that exudes old Hollywood glamour. In fact, her outfit was a recreation of Marilyn Monroe's iconic dress from Gentleman Prefer Blondes.

Noah Cyrus, 2017 iHeartRadio Music Awards, Arrivals

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Noah adds fun and flair to the red carpet with her whimsical Marc Jacobs mini-dress, which features colorful illustrations.

2016 iHeartRadio Music Awards, Demi Lovato

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The "Sorry Not Sorry" songstress makes a case for a color-blocking suit with her Alexander McQueen outfit.

Rihanna, iHeartRadio Music Awards, 2015

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Green with envy! Making this list twice (!!!), the multi-hyphenate performs at the awards show in an electrifying green ensemble. 

Ashanti, 2018 iHeartRadio Music Awards

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The legendary singer shines as bright as the flashing lights in her copper-red sequins pantsuit. In other words, this outfit is not "foolish."

Cardi B, 2018 iHeartRadio Music Awards, Show

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The "I Like It" rapper knocks it out of the park with her over-the-top burgundy tulle dress by Christian Siriano.

Jennifer Lopez, iHeartRadio Music Awards, 2014

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J.Lo pushes the envelope once again with this white-hot mini dress from Zuhair Murad, which features intricate cut-outs and beading.

Massari, iHeartRadio Music Awards, 2017

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Skipping the usual black and white tux, Massari opts for an ostentatious ensemble. He pairs his red embroidered coat with flashy shoes and jewelry pieces.

Paris Hilton, iHeartRadio Music Awards, 2018

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Queen of hearts! The socialite looks hot, hot, hot in her strawberry red Charbel Zoe Couture dress.

2016 iHeartRadio Music Awards, Selena Gomez

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The "Good For You" singer adds a fun pop of color to the red carpet with her bright orange Mugler suit. The asymmetrical, cut-out top and choker necklaces give her ensemble some edge.

Khalid, 2018 iHeartRadio Music Awards

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The "Suncity" singer ditches the standard suits for a more snazzy lewk. His silver lamé button-down probably has him singing, "nothing feels better than this."

2016 iHeartRadio Music Awards, Zendaya

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Zendaya always slays the red carpet with audacious designs and unique styles, and this crushed velvet suit is no different. This swanky ensemble is from Haider Ackermann.

Sarah Hyland, 2018 iHeartRadio Music Awards

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The Modern Family actress sizzles in a little black dress from Galia Lahav. The deep v-cut and sequins design make it more glam, and her silver bedazzled shoes are the icing on the cake.

Stock up on popcorn and wine, because the awards show airs on Thursday, March 14 at 8 p.m. EST on Fox.

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