Selena Gomez had the “most incredible” birthday ever! The young star, who turned 20 over the weekend , celebrated her birthday at the Teen Choice Awards where dozens of celebrities serenaded her with a “happy birthday” song.

Gomez was called up to the stage after winning the Choice Music Group award on Sunday night, but the star got more than a surfboard trophy. Selena was surprised with a dozen sparkly cupcakes and a “happy birthday” song from the crowd.

Gomez said:

“This is the best birthday present ever.”

According to OMG, the birthday celebration didn’t stop at the Teen Choice Awards. Gomez and her boyfriend, Justin Bieber, went to a romantic dinner at Il Cielo in Beverly Hills after they were done collecting awards. (Gomez won for Choice Music Group; Bieber won for Choice Single by a Male Artist, Choice Summer Music Star, Choice Fashion Icon, and Choice Male Artist. The Biebs also performed at the Teen Choice Awards.)

A source said:

“Selena walked out the front holding hands with Justin and she was holding a bouquet of flowers.”

After the show, Gomez wrote on Facebook:

“Beyond blessed, so much love. Thank you for the most incredible birthday yet! I’m truly, truly grateful. I love my family, friends and all of you”

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