Historic photos show every time American presidents met British Kings and Queens

AP Photo

Queen Elizabeth II has outlasted 13 US presidents during her reign. She's been alive for 16 US presidents.

President Donald Trump is embarking on a four-day visit to the United Kingdom this week, during which he's slated to meet with various leaders in England and Scotland, including Queen Elizabeth II.

Trump's trip is the latest installment of the "special relationship" the US and UK share, which has been a decades-long diplomatic and political bond.

Take a look back at every time American presidents met British royals: