Who is porn star Stormy Daniels and what's her case against Trump?

Stormy Daniels, whose real name is Stephanie Clifford, is a Louisiana-born adult film star and director who has won multiple awards for her work. During the ongoing trial in a hush-money case, she is testifying in courtroom face-off with former US President Donald Trump about the night she allegedly had sex with him in a hotel penthouse in 2006.