Yes, he has.
Yes. She kissed Daniel Radcliffe in the Deathly Hallows Part 1 I think.. And she kissed Rupert grint in the Deathly hallows part 2. :)
Yes, their characters kiss in the final Harry Potter movie so they kissed while filming that scene.
NO.
No they haven't.
He Has Before So It's A Possibility
yes, but only for the movie/acting
Judging by some of the questions under Rupert Grint alone, you would imagine he's dated several girls.
No.
He used to but he know feels she is like his sister.
Yeah Drew kissed her.
i dont think so, though he might in deathly hallows
Yes