The former president and the late monarch first met in 2009.
Barack’s wife, Michelle Obama, also shared a touching closeness with the queen.
Queen Elizabeth is thought to have bonded with Michelle for an unexpected reason.
Barack Obama's Tribute To The Queen Will Tug At Your Heartstrings
Barack Obama's tribute to the queen will tug at your heartstrings. Here's what former Barack and Michelle Obama had to say about the queen's death.
