"This is our most important game in the group stage because we need to win it to qualify, regardless of the result in the other match," said Vilanova. "We'll be able to rest players once we have qualified.
"I've never been here before but I've heard about the stadium and about the atmosphere.
"It's difficult to beat Celtic – we had problems at home and we only won it in the final minute. They're very good at set pieces and on the counterattack."
Barcelona have won all three of their Group G matches.