Serena Williams stopped by Harrod's in London to promote her new book in a gorgeous electric blue dress and black boots. Steal her style for less with our picks!

Serena Williams is working hard to promote her new book, On the Line, and she hit up Harrod's department store in London.

We loved her sophisticated, cold-weather friendly look that was perfect for the chilly U.K. climate: She donned a seamless, electric blue, long-sleeved dress, black hosiery and black boots. Fab!

Get a similar look for reasonable prices with these picks:

-- Whitney Teal

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