Here is a concise summary of the YouTube video transcript:
**Title:** Prank Video: "New Boyfriend" Prank on Ben
**Summary:**
* The creator, Lexi, sets up a prank on her ex, Ben, by making him believe she's now dating her friend, Andrew.
* The prank involves a series of staged interactions, including:
1. A "Truth or Drink Hot Sauce" game with misleading questions.
2. Andrew wearing Ben's stolen sweatshirt to raise suspicion.
3. Giving Ben a cheap Christmas gift ($5 Starbucks card) while Andrew receives a more extravagant one.
4. Hiring Christmas carolers to reveal the prank to Ben through a custom song.
* The prank is eventually revealed, and Ben is relieved. The video ends with apologies and a call to action for viewers.
Here are the key facts extracted from the text, each with a number and in short sentences:
1. The video features a prank on someone named Ben.
2. The prank involves making Ben believe that the host, Lexi, is now in a relationship with her friend Andrew.
3. Lexi and Ben had previously taken a lie detector test, which revealed that Ben had kissed another girl since their breakup.
4. The prank starts with Lexi picking up Ben and playing a game of "Truth or Drink Hot Sauce" with him.
5. Andrew calls Lexi during the game, being super flirty to raise Ben's suspicion.
6. Lexi asks Ben questions, including if he ever stalks her Instagram, to which Ben responds with "no comment".
7. Ben is told that Lexi and Andrew are going out to eat, without him, as part of the prank.
8. Andrew wears Ben's stolen sweatshirt to add to the prank.
9. After the initial prank, Lexi and Andrew give Ben and Andrew early Christmas gifts, with Andrew receiving a more substantial gift.
10. Lexi and Andrew booked Christmas carolers to reveal to Ben that the whole thing was a prank, through song.
11. The prank is eventually revealed to Ben, and he is relieved it was not real.