Kathy Griffin is "unstoppable." The comedian has "used her razor-sharp wit" and "big beautiful foul mouth" to stand up for important causes, her friend Sia said in presenting Griffin with The Advocate ...

Sia joked, before immediately breaking into song and performing "Unstoppable" — one of the biggest hit songs in Sia's deep catalog of pop anthems — as a serenade to honor Griffin's work in LGBTQ+ ...