The former Marine, who was on active duty for four years, used the move to express her support for President Trump, the US commander-in-chief.
"I always want our president to succeed, no matter who they are. I'm all-American and love this country! I hope Trump's visit to the UK is a great one", she said, according to The Sun.
Now a model with some 188,000 followers on Instagram, Ihrke said the military gave her inspiration to pursue her dreams.
"I owe the Marine Corps my life, hands down. It gave me a reason to wake up, push myself, set goals, and to push myself even harder when things got tough", she said, according to Fox News.