Gene Simmons made a surprise appearance at the White House on Thursday. 

The Kiss frontman was spotted entering the complex on the north driveway, albeit without the face paint he usually wears on stage. He shrugged when asked by reporters if he planned to meet with President TrumpDonald John TrumpThe Hill's Campaign Report: Democratic field begins to shrink ahead of critical stretch To ward off recession, Trump should keep his mouth and smartphone shut Trump: 'Who is our bigger enemy,' Fed chief or Chinese leader? MORE.

The White House did not immediately comment on the purpose of his visit.

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Simmons earlier Thursday made a surprise appearance in the press briefing room at the Pentagon, where reports said that he thanked American troops for their service and became emotional discussing his mother’s experience surviving a concentration camp.

The rocker has previously said “people are unhappy” with Trump, but predicted he would be reelected in a “landslide” because of the strong U.S. economy.

Simmons, who was born in Israel, has also praised Trump’s decision to move the U.S. Embassy from Tel Aviv to Jerusalem.