Sitting alongside pop star Lady Gaga, the Colombian actress admitted she upped the fashion ante when she found out who her fellow guest was.
“I tried to step it up a notch today because I knew Lady Gaga was coming. What do you think?” she grinned.
“I think she stepped it up two notches,” the singer quipped.
Gaga, 24, made a string of funny remarks as she sat next to Vergara in Leno’s studio.
“I don’t think she needs to cook,” the Poker Face pop star smirked, as Leno asked the actress whether she was knocking up a Valentine's Day meal.
“Men never want me in the kitchen,” Vergara laughed.
“That’s because they want you in the bedroom,” Gaga cheekily replied.