Justin Bieber is celebrating his 30th birthday today, but he probably wasn't expecting a surprise from his famous ex, selena Gomez! He was seen in videos blowing on 30 candles of huge two layered cake surrounded by pals, but what interesting was that hailey Bieber was no where to be seen! Selena Gomez and Benny Blanco are one of the most unexpected couples in Hollywood right now. The pair have known each other for a few years, and benny was known to be friends with Justin Bieber.
