>>> lehmann and his girlfriend are back.ts a bit. >> disclaimer, i don't mean any of the things i'm about to say. >> because the prank is going to involve their friends and family. he's going to be in the car with someone else. she's going to call and casually start talking snap about the person in the car pretending they don't know that's there. the first victim, lehmann's sister. >> sometimes she can be such a loser. >> she's like -- >> we get it. you go to the gym. >> i told you i never liked this girl. >> hey, kate. >> she's actually in the car. >> christmas is going to be weird. >> it's nice to hear your honesty, kate. >> but his sister handled it with cash. >> she's smiling through it but there's pain. >> we're doing jokes. >> such a stupid prank. >> because even though you found out that it's a prank -- >> she's still going to have that insecurity now. >> sounded so much like you just said man i hate that guy. >> that was quick thinking as well. i thought he'd ruined it. she's a ninja. >> he's looking at the microphon