Sofia Vergara has date night with Joe Manganiello in NYC, talks on helium: Watch!

MORE: Sofia Vergara Dresses as Wonder Woman for Secret 'Modern Family' Project -- See the Pic!

After grilling her about her husband, Fallon decided to have a little fun. He pulled out a giant balloon, saying he'd like to hear what Vergara sounds like on helium, noting he loves her voice.

"When you say you love my voice, you mean you laugh at my voice," she quipped.

Watch the clip to hear what she sounds like on helium!

Check out more from Sofia in the gallery below!

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