If there was one person left unimpressed by Selena Gomez and Justin Bieber's kiss at the Billboard Music Awards, it would be Taylor Swift. The country crooner who took home seven awards that night made a face at the camera during Selena's smooch with Justin. Obviously, Swift is not happy with the "Jelena" reunion.

After a lot of complicated interviews from Bieber to Gomez, the big smooch at the Billboard Music Awards between Selena and Justin certainly clears rumours up. Did the former "Jelena" couple kiss and make up?

A week after Gomez admitted to be "available" in a radio interview Selena was spotted smooching Justin Bieber backstage at the 2013 Billboard Music Awards. The whole thing was caught on camera along with the hilarious reaction of Selena's BFF, Taylor Swift who had happened to pass by.

Just after their separate performances, Selena and Taylor bumped into each other and were about to head out. Not long before Justin Bieber came strolling through however. Gomez was quick to throw her hand around Bieber and share a quick peck on the cheeks.

While the sweet reconciliation was caught on camera, Taylor Swift's reaction was not one to miss. Seemingly in disgust, Swift had stuck her tongue out as she watched Gomez pucker up to Justin Bieber. Check out the whole thing caught on video below.

"Beliebers" would definitely be receiving a lot of death threats from "Swifties" in the coming days. As for the real deal between Selena and Justin, the former "Jelena" duo shared a quick date at the Cirque du Soleil hours before the Billboard Music Awards.

"The pair got close and comfortable in their seats while snacking on peanut M&Ms and Mike and Ikes candy," stated the source to E! News, adding, "Bieber was sporting a low hat and sunglasses during the show."

"They left before the show ended and left separately and kissed each other goodbye," continued the source.

Onlookers claim that Selena and Justin were quite heavy on the PDA proving that the "Jelena" duo is back-on again. If anything, Swift should keep her reactions off camera to avoid any drama from "Jelena" supporters.

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