Rupert conducted an interview with The Daily Record and it was released today, his birthday. It's quite long; he talks about his upcoming film, Driving Lessons, his real life driving lessons as well as how he would love to do all seven of the Potter films. There's a small mention of the Ron/Hermione/Lavender triangle:
Driving Lessons sees him kissing Scots girl Bryony, played by Michelle Duncan. He said: "It was very weird and very different." The first kissing scene also paves the way for Rupert's big snog in Harry Potter and the Half-Blood Prince, which sees Ron kissing Lavender Brown to get at Hermione Granger, played by Emma Watson.
Rupert laughed: "Ben's kiss is very nervous and I think Ron's is a bit more enthusiastic."
Read the entire interview here!

hehehe
Ok...That was cool! But I guess he was talking about Ron's kiss with Lavender...=(