Scotland Yard said they were treating the toddler's death as non-suspicious and that a post-mortem examination was due to take place to establish how the little girl died.
More top news
George Michael died in December last year at the age of 53.
PC Keith Palmer, 48, stabbed by Khalid Masood while on duty in the grounds of the Palace of Westminster last Wednesday.
Those gathered on the bridge fell silent at 2.40pm - the time the first call was made to police exactly seven days ago.