Getting caught in an affair before your movie is released is bad for business, and it's a hard-learned lesson for Twilight
star, Kristen Stewart
. Now her ex, a.k.a. onscreen lover, Robert Pattinson
, keeps producers on their toes by not confirming his attendance yet for the upcoming promo appearances for the final part of the movie which will premiere in November.
It's even reported that Pattinson refused to agree to any promotion ...