Taylor Swift, a self-declared "childless cat lady," has endorsed Kamala Harris for president of the United States.The global megastar broke her silence on the current state of US politics Tuesday, voicing support for Harris over Donald Trump for the White House, and calling the Democratic candidate a "steady-handed, gifted leader." "I will be casting my vote for Kamala Harris and Tim Walz in the 2024 Presidential Election," she posted on Instagram in the minutes following a televised presidential debate that saw the candidates face off for the first time, which Swift said she had watched.