Lady Gaga Wears Wedding Dress for Surprise Tony Bennett Performance at Montreal Jazz Festival

Lady Gaga flashes a smile as she steps out in a wedding dress with a veil on her necklace while exiting her hotel on Tuesday (July 1) in Montreal, Canada.

The 28-year-old entertainer then made her way to the Wilfrid Pelletier’s Theater to make a surprise appearance at Tony Bennett‘s concert during the 2014 Montreal Jazz Festival.

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Gaga and Tony performed a few songs from their upcoming joint jazz album Cheek to Cheek, including a number titled “Lush Life” – Watch below!

“My favorite song ever written, I got to perform it tonight,” Gaga tweeted. “Written By BILLY STRAYHORN ”LUSH LIFE’.”