The lovebirds Justin Bieber and Selena Gomez are in news again and this time with their engagement news. However, both the singer denied the report.

Bieber Thursday celebrated his 18th birthday, and his girlfriend Gomez posted a message on his Twitter account: Happy birthday to my best friend in the world world!!!.

She wrote: Have a great birthday baby!

The couple might have celebrated some time together, but Gomez took to Twitter to let all their fans to know how much she loves Bieber.

The slideshow here gives a peep into the growing bond of love between the young singers.

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