As word spread yesterday of the passing of American astronaut, Neil Armstrong, celebs and stars took to Twitter to express their condolences.
Check out what some of your favorite Twitter users had to say:
Neil Patrick Harris: From one Neil to another: You affected the history of the world, Mr. Armstrong. Few will ever achieve that. Rest in peace.
President Obama: Neil Armstrong was a hero not just of his time, but of all time. Thank you, Neil, for showing us the power of one small step.
David Copperfield: He proved that the sky is no longer the limit. Every dream, no matter how big, starts with just one small step. A legend. Neil Armstrong.
Rest in Peace, Neil.