Kamala Harris turns 60 on Sunday in the final stretch of a knife-edge election battle with 78-year-old Donald Trump, who is now the oldest presidential candidate in US history.

Musicians Usher and Lizzo both stumped for Vice President Kamala Harris at separate rallies in Georgia and Michigan on Saturday with just 17 days left until the presidential election.

Donald Trump discussed Arnold Palmer being well endowed and also called Kamala Harris a 'shit vice president' at a Pennsylvania rally on Saturday.

Both US presidential candidates are using star power to bolster their bids for the presidency with Lizzo and Usher turning ...