Ariana Grande’s iHeartRadio Performance: Inspired by Rihanna?

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Alright, shoe-lovers, we need you to weigh in: Was Rihanna throwing shade at Ariana Grande during last night’s iHeartRadio Music Awards?

The event’s fan camera caught Rihanna covering her mouth and giggling during Ariana’s performance.

If the giggle was shade-related, it might have been due to Ariana’s outfit. Ariana’s oversized black top and tall white boots looked fairly familiar.

Ariana Grande wears her hair up in her signature ponytail as she performs on stage at the 2014 iHeartRadio Music AwardsAriana Grande wears her hair up in her signature ponytail as she performs on stage at the 2014 iHeartRadio Music Awards on May 1, 2014, at the Shrine Auditorium in Los Angeles (Credit: Will Alexander / Stuart Castle / WENN)

Rihanna wore a similar ensemble — composed of a black Raf Simons “Sea of Desire” top paired with white Christian Louboutin “Seann Girl” thigh-high boots — as part of her 2014 Diamonds Tour.

Left: Rihanna captivates the audience during her 2014 Diamonds Tour on June 11, 2013, at the Cardiff Millennium Stadium in Cardiff, United Kingdom; Right: Rihanna dazzles on stage on June 23, 2013, at Ziggo Dome in AmsterdamLeft: Rihanna captivates the audience during her 2014 Diamonds Tour on June 11, 2013, at the Cardiff Millennium Stadium in Cardiff, United Kingdom; Right: Rihanna dazzles on stage on June 23, 2013, at Ziggo Dome in Amsterdam (Credit: Will Alexander / Stuart Castle / WENN)

Ariana later changed into a different, albeit similar, black-and-white outfit before she went back on stage.

Ariana switches into a sequined black dress for her iHeartRadio performanceAriana switches into a sequined black dress for her iHeartRadio performance (Credit: Will Alexander / Stuart Castle / WENN)

After making her way back out to the stage in a glittery black dress, Ariana did a little dance move during her performance that reminded us of a similar move Rihanna had performed recently.

Rihanna covers her mouth and giggles during Ariana Grande's iHeartRadio performanceRihanna covers her mouth and giggles during Ariana Grande’s iHeartRadio performance (Credit: Will Alexander / Stuart Castle / WENN)

Rihanna’s laugh happens at around 1:58 in the video below.

What do you think? Did Rihanna really throw shade at Ariana Grande or not?

Ariana Grande vs. Rihanna in an oversized black top and tall white thigh-high bootsAriana Grande vs. Rihanna in an oversized black top and tall white thigh-high boots (Credit: Will Alexander / Stuart Castle / WENN)

And between the two, who do you think rocked the oversized black top + white boots look better?

Christian Louboutin 'Seann Girl' Over-The-Knee Red Sole Boots in BlackChristian Louboutin ‘Seann Girl’ Over-The-Knee Red Sole Boots in Black