Ashlee Simpson says sister Jessica is happy.

"Jessica's doing great," Ashlee tells Star in an exclusive interview. "We all had a good Thanksgiving, all the family was together and we had a wonderful time.

"We didn't even talk about Jessica's breakup from Nick; it wasn't something we wanted to dwell on. Jessica's happy and she's absolutely fine.

"The only thing that stressed Jessica out was our grandparents' worry over all the attention she's getting. Jessica spent most of the holidays trying to reassure them that she's OK and that everything is good.". . . . . .Full Story