Watch: Oprah and Bill Clinton turn out for Tim Walz's big day

The penultimate day of the Democratic National Convention saw big names take to the stage in support of Kamala Harris and Tim Walz.

Television legend Oprah Winfrey received a standing ovation after delivering a rousing speech, Bill Clinton poked fun at Donald Trump and Tim Walz was joined on stage by his family as he accepted his nomination for the Democratic vice-presidential candidate.