Justin Bieber's monkey, Mally, was reportedly seized by custom's officials at Munich airport in Germany after the singer failed to provide his pet's health certificate. The 19-year-old was coming back here from Munich and wanted to bring his pet with him. The officials wanted to see Mally's health certificate, which the singer failed to provide. The monkey is now in quarantine and Bieber could face prosecution from German authorities and a 10,000 pounds fine, reports thesun.co.uk. "He and Mally go everywhere together. He will be heartbroken. Justin has been acting like a right diva. He is out of control and lives in an alternative reality to the rest of us," a source said.