Demi Lovato hits up HMV Oxford Circus for a fan meet and greet in London on Tuesday afternoon (April 3).

Earlier in the afternoon, the 19-year-old musician went on a sight-seeing tour of the English capital checking out Buckingham Palace, Piccadilly Circus, Houses of Parliament, Big Ben, Trafalgar Square, Downing Street and Horse Guards.

PHOTOS: Check out the latest pics of Demi Lovato

Demi also got a bit of shopping in — “Went to Topshop in London today…best clothing store ever!!!” she tweeted.

10+ pics inside of Demi Lovato…