Ryan Gosling's Celeb Fan Club

Whose tattoo pays permanent tribute to the hunk? Which former costar admires his brain – and who's too distracted by his abs to notice?

JUSTIN: SINGS HIS PRAISES AS AN ACTOR

Long before he fell for wife Jessica Biel, it was a bad bro-mance for Justin Timberlake and Gosling, who loved stirring up mischief together on The All-New Mickey Mouse Club. "We were probably a little closer than the rest of the kids," Timberlake recalled on The Ellen DeGeneres Show in 2011 of their "thug" days. Jokes aside, "He's always been that charismatic and that talented. He's unbelievable – I think one of the best actors of our generation."