James Corden used the carpool Karaoke time he had with Jennifer Lopez to prank Leonardo DiCaprio using her phone via text. During the segment, Corden took Lopez' phone hostage and decided to send DiCaprio a joke text...

Here's a full transcript of the conversation, just because it's so glorious...

J-LO: "Hey baby, I'm kind of feeling like I need to cut loose. Any suggestions? Let me know, JLo, you know, from the block."

Leo: "You mean tonight, Boo Boo? Club-wise?"