Coming up with the perfect Halloween couples costume can be super difficult ... super-private couple Anastasia Karanikolaou (known as Stassie Baby) and Noah Centineo dressed up as the famous ...

Hayden Panettiere's Halloween costume really is the cat's whiskers ... As they are expecting a baby daughter before the end of the year, it will be the first child for the couple.

The comedian waxes nostalgic about how his Late Night segment took off, and how Rihanna was central to its success.