Selena Gomez's reconciliation with Justin Bieber must have set her heart on fire. The Spring Breakers actress performed at MTV's Upfront in New York City on Thursday and a sang an old love song that was likely a tribute to him.

Gomez, 20, first performed her current single, Come & Get It at the Beacon Theater and then asked the audience to stay and not leave the theater because she had "one more song to sing."

According to Hollywood Life, Gomez said she had to sing the second song because it was the first song that "really captured her heart."

Gomez then sang one of her earlier hits, Love You Like A Love Song.

After she finished singing the heartfelt rendition for Bieber, 19, she thanked the crowd for staying and said "I'm not 21 yet, so I'll see you in July!"

Gomez's tribute to her on-and-off agin boyfriend comes a week after the couple reunited in Oslo, Norway on April 18. According to a Bieber pal, Gomez met up with her beau backstage at his concert overseas and the couple "kissed" after he pursued her.

"Justin pursued Selena and she gave in," source close to Gomez told Us Weekly.

A Bieber pal told UsWeekly confirmed the report and said the pair "have a crazy connection," but "aren't back together."

"Who knows with them? They're always back and forth!" said the second source.

At the MTV Upfront event the network announced the future airings of three new series. Scream, a show inspired by the successful film franchise, is slated to air on the network in the summer of 2014. MTV will also introduce Generation Cryo and Nurse Nation. Snooki and JWoww will also return for season 3, according to MTV.com.

Watch Gomez' video for Love You Like A Love Song here.

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Selena Gomez Justin Bieber