Queen Elizabeth II tweeted for the second time ever and this is what she said!

London — Queen Elizabeth II has sent a tweet for only the second time, to thank people who offered her 90th birthday wishes on social media.

On the royal family's official Twitter account, the queen wrote: "I am most grateful for the many digital messages of goodwill I have received and would like to thank you all for your kindness. Elizabeth R."

The "R'' stands for "regina," Latin for queen.

Another tweet added: "This tweet was personally sent by Her Majesty The Queen."

Buckingham Palace also issued a picture of the queen using a tablet computer atop an ornate desk at Windsor Castle.

See the picture here:

The queen sent her first ever tweet in 2014 when she opened the Information Age gallery at London's Science Museum.

The queen does not have a personal Twitter account.