The chart topper was snapped towering over a staff member who was on hand to help guide the singer as she arrived at the Sohot yoga studio in London, the Daily Mail reports.
Gaga, 24, is reportedly a fan of Bikram, or hot yoga as it sometimes known. Other celebrity devotees of the strenuous exercise program include Cameron Diaz and Madonna.
Though she reportedly indulged in take-away fish and chips recently, her choreographer LaurieAnn Gibson told People earlier this year Gaga stays in shape by watching what she eats.
'It's all about salsa with grain chips, tofu, turkey slices, hummus and coconut water,' Gibson commented.