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We still can't believe Rihanna and a jet full of fans and reporters are visting 7 countries in 7 days, but she's almost done with her 777 tour!

After stops in Mexico City, Toronto, Stockholm, Paris and Berlin, the 24-year-old R&B landed in London, and earlier today, RiRi tweeted, "Uk navy! I'm turning on the Christmas tree lights at Westfield Stratford City in London, be there at 4pm! ... Ready for #London at The Forum tonight! #RiverIsland #HTC #Budweiser #6thStop #777Tour #UNAPOLOGETIC."

Rihanna's seventh and final stop? She'll be in New York City on Tuesday evening!