The post read: “It is a great honour to serve the people of this incredible country.”
However, Melania’s followers and critics were quick to comment on the post and express their distaste.
One user said: “Over half the country, and most of the world, hate you.
“We also want the taxes back that went towards your boob job-oops, I mean kidney surgery.”
Another said: “Name us one thing you’ve done to serve this country…I’ll wait!”
Jeffrey said: “You are disgusting for marrying a bastard.”
Another disgruntled user called Tracie said: “How do you serve? You don’t DO anything!”
One user said: “You appeared quite traumatised on the actual inauguration day for your husband.
READ MORE: Melania Trump: FLOTUS is ‘protective’ of marriage to President
JudyLynn said: “You are lovely. You will be doing this again 2020. God bless you and yours always.”
Erica replied: “It’s our honour to have such a bad-ass, intelligent, accomplished, poised and graceful First Lady!!
“Melania Trump… You are an inspiration for dignity, respect and civility!”
The post garnered 8,300 retweets and 52,000 likes.
Melania has 13 million followers but only follows seven people including her husband and Barack Obama.
She is only the second US First Lady in American history to be born outside the US.
The only other First Lady to be born outside the US was Louisa Catherine Johnson who was born in the UK.
Melania is the only first lady to be the third wife of a US president.
Trump was previously married to Ivana Trump until 1992 and Marla Maples until 1999.