Justin Bieber at his `best behaviour`, surprises onlookers

Los Angeles: Singer Justin Bieber, who has been in the news for bad behaviour, was being respectful during a recent night out here.

Bieber went to see his tour DJ Tay James, on the decks at State Social House in West Hollywood and went for dinner with friends, where he stunned guests by being "respectful" and polite, as well as picking up the bill for his entire group. "He was on his best behaviour. He was very respectful and he even paid for everyone`s tab," a source was quoted by the New York Daily News newspaper. The 20-year-old also reportedly left a 40 percent tip on the dinner table for the staff.