After five years of being a pop music heavyweight, the 28-year-old superstar delved into the Great American Songbook and paired with music legend Tony Bennett. For her latest project, Mother Monster and the 88-year-old, who partnered for 'The Lady Is A Tramp' in 2011, reunited to produce their jazzy collaborative album Cheek to Cheek. Listen the full interview below.

“I just was shaking in my boots, really. I tell everyone that I kept a whiskey underneath my stool when I was recording with him in the studio because I was so nervous, I feel so humbled to be doing this project with him. This is, for me, the most important album I’ve ever made.”