Justin Bieber Performs as Selena Gomez Stuns at the iHeartRadio Music Awards

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Justin Bieber and Selena Gomez are giving their fans all the feels.

The on-again, off-again couple attended the iHeartRadio Music Awards in Inglewood, California, separately on Sunday, but that didn't stop crazed Beliebers and Selenators from believing that Jelena could very much be back on.

WATCH: Justin Bieber Tops Off Amazing Week With 10 Billion Vevo Views and a Selena Gomez Reunion

Gomez, 23, rocked the red carpet at The Forum in a bright orange Mugler jumpsuit, which featured revealing cut-outs that perfectly showed off her toned abs. She completed the look with strappy Giuseppe Zanotti silver heels, a black Jimmy Choo clutch and choker.

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Inside the star-studded show, Bieber -- who was rocking his new dreadlocks -- took the stage to perform a medley of songs off his latest album, Purpose, which included "Love Yourself" and "Company."

A source tells ET that Gomez arrived just moments after the 22-year-old pop star finished his performance.

PHOTOS: 2016 iHeartRadio Music Awards Red Carpet Arrivals

The former couple was seated just one table apart. Gomez sat next to her bestie, Taylor Swift, and Swift's boyfriend, Calvin Harris, while Bieber enjoyed the rest of the show at a table with Justin Timberlake.

Later in the night, Gomez took the stage to accept her award for Biggest Triple Threat, telling the crowd it's been a "beautiful transition period for me."

Even though the two pop stars didn't show any sign of PDA, fans still took to Twitter during the show to express their excitement over the fact that they were in the same room.

WATCH: Selena Gomez Attends Justin Bieber's Los Angeles Concert

Last month, Gomez put fans in frenzy when she was spotted at the Staples Center for her former beau's star-studded concert in Los Angeles. An eyewitness told ET the singer looked "gorgeous and happy" at Bieber's sold-out Purpose show.

Watch the video below to hear more.

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