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MIAMI, FL - MARCH 18: Ana Ivanovic swims with the dolphins during Sony Open Tennis Week at Miami Seaquarium on March 18, 2014 in Miami, Florida. (Photo by Uri Schanker/WireImage)

MIAMI, FL - MARCH 18: Ana Ivanovic swims with the dolphins during Sony Open Tennis Week at Miami Seaquarium on March 18, 2014 in Miami, Florida. (Photo by Uri Schanker/WireImage)