The 22-years-old 'Spring Break' actress - who is rumoured to be dating the 25-year-old music producer and DJ after the duo were noticed holding hands at a Golden Globes after party on Sunday night - is reportedly utterly "smitten" by her new love interest.

A supply shared: "Selena is on cloud 9. She's ne'er been happier and undoubtedly has Zedd to give thanks for that. She's fully smitten with him.

"First off, Selena sounds like he wholly gets her on so many levels. They never run out of things to speak concerning it. One night they stayed on the phone for four straight hours talking. It's crazy."

Meanwhile, the new rumoured relationship is reportedly affecting the 22-year-old singer's on/off lover, Justin Bieber.

The 'As long as you Love me' hitmaker is alleged to be "hurting big time" over the news that Selena has found some another Guy.

A supply shared: "Justin goes to act like he does not care one bit, however in his clique, everybody is aware of he is symptom big time over the actual fact that Selena is with Zedd...

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