I would go and sit next to him, but I wouldn't say anything. I would get a napkin and put my name and phone # on it. Then I would put it in his lap and kiss him on the cheek. Then go back to my seat. lol :)
if justin was on the same plane has me id cry then id go over there and site next to him then id ofher him a drink then id kiss him n the cheeke and say here is my number ring me wen u get hom lol x
ill go and sit next to him ask him for an autograph,a kiss on the cheek,a pic with him, ask him for a lack of his hair and start a conversation about him and while ur talking to him always smile cuz he likes a girl that has a good smile and likes to keep a conversation going
i would walk over 2 him an tell him he ROCKS MY WHOLE WORLD!!!!!! An ask him 4 his autograph on my ARM an tell him 2 write his phone number on there if he wants 2.Take a pic an kiss him on the L I P S LIPS!!!!