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Justin Bieber, Selena Gomez, American Music Awards

Rick Rowell/ABC

While Justin Bieber and Selena Gomez's split seemed to come out of the blue, the formerly lovey-dovey duo may have given us a few hints that a break-up was on the horizon.

Before we broke the news of the couple's split Friday, the Biebs was spotted hanging out with Victoria's Secret supermodel Barbara Palvin quite a few times in the past week.

And from the looks of Gomez's tweets around that time, it appeared the former Wizards of Waverly Place star wasn't amused. 

Barbara Palvin, Justin Bieber Twitter

Twitter

There's been no confirmation that the 19-year-old Hungarian beauty is more than just Bieber's friend, but after the pair was spotted at a Broadway performance of The Lion King with a group of people in New York City Thursday night, speculation arose that Bieber's relationship with Gomez was no more.

"Lion king!," Palvin tweeted Thursday, followed by, "hey everyone. please calm down. he is all yours!! :) please :)." 

Just a day before, Palvin mentioned Bieber on her Twitter page again, writing, "okay sooo because u guys were askin for it! with ‪@justinbieber ! you were great tonight! ‪http://lockerz.com/s/259735356 ", along with a photo of herself standing next to Bieber backstage at the Victoria's Secret fashion show where Bieber performed.

Justin Bieber, Barbara Palvin

AKM-GSI, Splash News

Thursday night, One of the Biebs' friends, rapper Lil Twist, tweeted a photo of the "Baby" crooner and himself, with Palvin standing in the background.

"Twizzy . ‪@JustinBieber . barbarapalvin ‪http://instagr.am/p/Ry94K_xN5u/ ," the Young Money rapper wrote.

Gomez retweeted the photo the same day with the caption "…..".

It probably didn't help that Palvin said "I don't like Selena Gomez by the way," when fans asked her to sing a song during a live Ustream chat last December.

Gomez and Bieber broke up about a week ago, a source told E! News exclusively.

"Because of their crazy schedules, it was getting harder and harder to maintain a relationship," the source said.

Neither of the stars has yet officially addressed their break-up.

—Additional reporting by Lindsey Caldwell