"I'm trying to find a new balance," said Gaga of the admitted 25-pound weight gain. "I really don't feel bad about it, not even for a second. I have to be on such a strict diet constantly."
Video: Lady Gaga Airbrushed in September Issue of Vogue
The 26-year-old superstar spoke with radio host Elvis Duran before she embarked on tour, telling him via telephone that her dad's Italian food is to blame.
"I love eating pasta and pizza," said Gaga. "I'm a New York Italian girl. That's why I have been staying out of New York. My father opened a restaurant. It's so amazing … it's so freaking delicious, but I'm telling you I gain five pounds every time I go in there."