Through thick and thin! Celebrities like Paris Hilton and Nicole Richie as well as Leonardo DiCaprio and Tobey Maguire have been besties long before they made it big. Click through to see some of the most famous childhood friends in Hollywood!
Ryan Gosling and Justin Timberlake
These handsome boys first met while starring in the Mickey Mouse Club in their tween years. In fact, when Ryan Gosling first moved to Orlando, Fla., in the early 90s, to appear on The All New Mickey Mouse Club, he lived with Justin Timberlake. Timberlake's mom, Lynn, even signed on to be Gosling's legal guardian for six months while his own mother, Donna, returned to Canada for work!