A British cat has been hailed as the oldest in the world after celebrating its 30th birthday. The orange feline named Rubble has been with owner Michele Foster, 49, since she got him as a kitten on her 20th birthday May 1988. The pair have been inseparable ever since and Rubble has now matched the age of the last world record holder. Rubble celebrated his milestone with a party at his local vet where he was treated to some of his favorite cat food and a free check-up. MORE: DERIK LATTIG CATS PAYS HUGE REWARD FOR STOLEN CATS. For Rubble the cat, he’s lived a pretty good –and long– life. His owner, Michele Foster, of Exeter, Devon, England took him in as a kitten in 1988. And for the past 30 years, she’s called him her best fur friend. Now, we can all share in the celebration of the world’s oldest living cat!  Some cats have lived remarkably long lives, but on average a cat who resides exclusively indoors typically  lives for 13 to 17 years on average.   So it goes witho