Birthday is an event or occasion when someone celebrates birth with flowers, gifts, chocolates and by saying happy birthday song. This is a normal way to express your feeling and to let know that you care for them by saying happy birthday. While singing happy birth day song, the person cuts his birthday cake with number candles on it according his or her age. Many places like England, Australia, Ireland and New Zealand the guest used to do hip hop, family members joins and loudly say hooray and likely repeated three times. - See more at: http://www.hqeliteimages.com/birthday-wishes-for-friends.html#sthash.teu6efXC.dpuf