Amy Poehler stopped by "The Tonight Show Starring Jimmy Fallon" Wednesday night in anticipation of her new film with Tina Fey, "Sisters." The actress played the popular "Tonight Show" game "Truth or Truth" with her fellow "Saturday Night Live" alum and revealed what her biggest fear was.

"Now, Amy, I consider you a very honest person. We're both honest people. I want to know who's more honest...You're up first, Amsters. What's it going to be: truth or truth?"

"Truth," Poehler responded after a dramatic pause.

"What's your biggest fear?" Fallon asked.

"Easy," the former "Parks and Recreation" star said. "Being mistaken for J. Lo. And then being asked to dance, and dancing better than J. Lo, and J. Lo being angry. I don't want J. Lo to be angry at me. That's my biggest fear."

Next, it was Fallon's turn to be truthful. Poehler decided to asked the late night host to name a place where he had "never had sex."

"In my 20s," Fallon cheekily replied. The two comedians had the audience in stitches after they delivered ridiculous truth after truth.

"I'm too old for dares," she said. "I'm too smart for dares. I'm too quick."

"Don't read your lower back tattoo," Fallon joked before he asked one final truth, "What's your Gmail password?"

"Sisters" is in theaters Dec. 18. Check out the rest of the game in the video below.