Celine Dion is ready to see the Dallas Cowboys take on the Pittsburgh Steelers as she previewed the game to kick off Sunday Night Football. The legendary singer talked about the game in a Sunday Night Football video and poked a little fun at the rivalry. “Sometimes, some nights, it all just comes back,” Dion said in the video while wearing a Cowboys vs. Steelers Super Bowl XXX sweatshirt. “Their love affair, well, maybe not love the way I usually sing about it, but work with me here. I mean, when you touch me like this when you hold me like that, it kind of fits, no? “But really, what beautifu…