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Jacob Chinn/Guinness World Records
Giant George can sit up in a chair like a human, but for his flight from Tucson to Chicago to visit Oprah on her television show, producers bought him tickets for four seats in the plane's middle section. When you're the newly crowned Guinness World Record holder of Tallest Living Dog and Tallest Dog Ever, you deserve a little room to spread out. 


The 4-year-old Great Dane measures 3 ft., 7 in. from paw to shoulder, weighs nearly 250 lbs., and beat the previous record holder Titan's height by 0.75 inches. 


"This is a hotly contested record and after some controversy and conflicting media reports we decided to send our own official adjudicator to put the final stamp on this record holder. We can indeed say now that George is the top dog," Craig Glenday, editor-in-chief of Guinness World Records, said in a statement.


Guinness officials visited George in Arizona, where he lives with owners David and Christine Nasser. A vet measured George, the record was confirmed, and the celebration began — not that the pooch had any idea!


"He's just the sweetest, kindest dog, and he doesn't realize what all the hoopla is about," Guinness spokesperson Jamie Panas tells PEOPLEPets.com. "I was completely awestruck. Working here, I meet different record holders of all unique sizes, and I was definitely taken aback by his size."


Catch Giant George on today's Oprah Winfrey Show (check local listings).


Read more about past Tallest Dog record holders on PEOPLEPets.com:

Titan, the World's Tallest Dog, Doesn't Let Disabilities Slow Him Down

R.I.P.: Gibson the World's Tallest Dog Dies of Cancer
Helin Jung, helin@peoplepets.com