Jimmy Fallon freaks out Jennifer Lopez during a game of 'Can You Feel It?' on 'The Tonight Show'

Jennifer Lopez got a big shock on Tuesday’s “The Tonight Show with Jimmy Fallon.”

After a brief discussion about her boyfriend, Alex Rodriguez, and her new film, “Second Act,” the Grammy winner was coerced into playing a game of "Can You Feel It,” which requires each person to identify what is inside a box only by touch.

The results were hysterical.

Both Fallon and Lopez were equally terrified of what they might find; tentatively sticking their hands into the box while the other person made faces and gestures to try and scare them. Though nothing was truly harmful or gross, Lopez had a hilarious time trying to identify a tiny snowman. Fallon, on the other hand, screamed and fell to the floor when the fake tarantula inside his box scuttled around.

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In a spirited finale, Lopez’s co-star Milo Ventimiglia joined for a final test. In a true show of bravery, Ventimiglia willingly plunged his hand into a large bowl of guacamole, leaving both Fallon and Lopez giggling with glee.

Watch the entire encounter above.