engagement at the 92nd Street Y in Manhattan on Monday evening.In a video with more than 4 million views and captured by the @vidsofceleb TikTok account, Barrymore can be seen talking with event host and “Sex Lives of College Girls” star Reneé Rapp — and then suddenly being whisked away from the stage as an alleged stalker began to approach her. “Drew Barrymore!” the man can be heard yelling out in the crowd as she is talking.“Oh my God, yes — hi,” she said into the microphone as she scanned the crowd.The man proceeded to identify himself as “Chad Michael Busto,” per Variety, yelling out, “You know who I am.