Look at Shane going for the double cigarette on the ear look!
The A Walk to Remember star turns 31 on June 10, while Evan is 21. The couple has recently been spotted sucking face after Evan split yet again from rocker Marilyn Manson. Shane and Evan also both starred as brother and sister in the TV series, Once and Again.Source: justjared.com
Not sure if this is true, if it is it's a definite step up from Marilyn Manson.
I know these two have been friends for years ever since the show ended, I guess it recently developed into something more.