NEW YORK — Fashion designer Kate Spade, 55, was found dead in her New York City apartment in an apparent suicide, police said.Her body was found by her housekeeper and she left a note, CBS New York reported, citing unnamed sources.Spade was a co-founder of the designer label Kate Spade New York, which she later sold.The New York Police Department confirmed her death under her birth name, Katherine Noel Brosnahan.