Willian says his first choice was always Chelsea in the summer.
"I feel really happy that the supporters take the time and the trouble to write about me. It's a privilege to hear them clapping and singing about me.
"There were negotiations going on with other clubs, as well as Chelsea, that my people were having.
"I had been following their games even more closely after their first offer.
"The most important thing for me is to be happy, it's making my dream come true.
"I wished so much to play here and work with Jose Mourinho, who is one of the best managers in the world. Everywhere he has been he has won titles. Everyone likes to work with a winner."
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