<br /> <p>Justin Bieber showed his playful side while holidaying in Sydney on Tuesday, July 4, after being spotted by an eagle-eyed local who decided to try the age-old Australian pastime of shouting at people from car windows.</p><p>Mathew Wise was driving around Bondi on Tuesday morning when he saw the Canadian star running around the seaside suburb.</p><p>“Give us a wave, Bieber. Give us a wave!” Wise calls out.</p><p>“Hey buddy!” Bieber replies, without breaking stride. Credit: Instagram/Mathew Wise via Storyful</p><br />
