Chart-topping American singer Taylor Swift switched on the Christmas lights at Westfield London on Tuesday.
Afterwards she spoke to ITV News and revealed the worst Christmas present she has received.
The singer also showcased her 'English accent'.
Taylor Swift was crowned entertainer of the year at the Academy of Country Music Awards on Sunday.
22-year-old singer said: "I am so amazed that the fans keep doing such incredibly nice things for me. I just want to hug them all the time and thank them for everything - it really blows my mind."
Michelle Obama presented a Kids Choice award to Taylor Swift, but was splattered with the show's signature slime aimed at Justin Bieber.