Which artist has scored more #1 singles: Ariana Grande or Lady Gaga? Find out in our new game show, “The Room of Doom.”

Ariana Grande and Lady Gaga will be facing off at the VMAs for "Song of the Year," but one of them has more U.S. #1 singles than the other. Who is it? It's time for another episode of The Room of Doom, the claustrophobic gameshow where ten strangers from all over the world are locked in a confined space and forced to answer trivia questions by maniacal host Russell Hicks. It's truly survival of the fittest, as only one person can escape with the cash prize - but to do that they'll have to make absolutely no mistakes. Today's episode sees the contestants answer questions about Mark Zuckerberg, Ariana Grande and the world's most expensive movie. Which contestant has what it takes to make it to the end?