(pr-inside.com) - George Clooney enjoyed a cheeky festive season while at college - he once stole his neighbour's prized Christmas tree.The Ocean's Eleven star, 46, has fond memories of his student days, and recalls his most memorable Christmas one year, when he took revenge on his next-door neighbour for terrorising his pet dog.He says, "Our neighbour was so proud of his garden, so when my dog got into it, he shot its butt full of pellets. Fortunately the dog didn't die."But in the middle of the neighbour's garden was a manicured fir tree, so one Christmas Eve, I sawed it down and put it up in our house. No Christmas tree has ever meant so much to me."