The Championship leaders fell to their biggest defeat of the season at Villa Park as the hosts continued their own march towards promotion with a third consecutive victory.
Cardiff held on, however, to secure their grip on an automatic promotion spot, while Birmingham remain in 22nd - two points adrift of safety. But after a 2-0 defeat at home to Nottingham Forest, Wolves have gone through a minor blip.
Villa are now sitting third in the table and are chasing an automatic promotion spot for next season's Premier League campaign, and will be attempting to close the gap between them and Cardiff City.More news: Aqib Talib rejected trade to 49ers before being dealt to Rams
Wanderers ominously appeared back to their best in midweek, even without influential midfielder Ruben Neves, who will return from suspension for Saturday's mouthwatering derby clash.
Villa and Wolves kick-off at 17:30 pm at Villa Park on Saturday evening.
Considering Wolves [2.50] have only triumphed in four of their past nine, as well as three of their previous seven games as guests, there might be mileage in supporting Villa in the Draw No Bet market at [2.26]. Sunday marks 114 consecutive days at the top for Wolves and, while "an almighty collapse‚" as Bruce put it, remains hard to envisage, they still have plenty of work to do to get over the line.
The game took a sudden turn in the 57th minute when a Snodgrass free-kick from the left went through an ill-formed Wolves defence to the unmarked Chester to glide the ball home for his second goal in successive matches.