When celebrity pets go bad

Updated 3:56 PM ET, Thu May 14, 2015
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Justin Bieber poses with his pet capuchin monkey, "Mally," in a photo he posted on Instagram. The monkey was seized by German customs officials in March 2013 after the singer brought it on tour without the right paperwork. From Justin Bieber/Instagram
Paris Hilton arrives home with her new friend, a mammal called a kinkajou, on November 14, 2005, in Hollywood, California. Named by Hilton as "Baby Luv", the animal allegedly bit her, causing her to visit a hospital emergency room to receive a tetanus shot. Will Binns/PacificCoastNews.com
Entertainer Robert Van Winkle, formerly known as Vanilla Ice, carries his pet wallaroo, "Bucky", in Port St. Lucie, Florida, on November 19, 2004. Van Winkle also owns a pet goat, "Pancho", who allegedly nudged a backyard door open with his head in 2004, enabling the two animals to escape and wander the streets. Matthew Ratajczak/Stuart News/AP
Illusionists Siegfried and Roy pose with their white tiger in this undated photo at The Mirage casino hotel in Las Vegas. A tiger lunged at Roy Horn's neck halfway through a sold-out performance in October 2003, putting the entertainer in a critical condition, but thankfully he survived. Siegfried & Roy/The Mirage/Getty Images
Who's bad? Well, singer Michael Jackson's ability to handle a grown-up chimp, apparently. The artist is pictured enjoying a cup of tea with his pet "Bubbles" at Osaka City Mayoral Hall on September 18, 1987, in Osaka, Japan. When Bubbles became too big and strong for Jackson to keep as a pet, his trainer, Bob Dunn, housed him at his training facility. Sankei Archive/Getty Images