Justin Bieber is "in love" - with his new puppy. The What Do You Mean singer - who previously had an on/off relationship with Selena Gomez - says his new dog is "adorable" and makes him feel very happy, she even has her own Instagram page! He said: "I am in love... The 21-year-old singer also admitted he finds it hard to trust people after previously being let down by those who "hurt his heart". He said: "Trusting people is hard, especially for me."