September 17, 2014 11:40 pm Fallon: Lip Sync Battle With Gwen Stefani and Blake Shelton Jimmy Fallon asks guests Gwen Stefani and Blake Shelton to battle in an epic lip sync-off on “The Tonight Show.” US & World Videos 1:55 Russia is trying to scare people away from the Paris Olympics, report says 1:07 Watch: Volcano erupts in the Big Island of Hawaii 4:21 Spider-Man's Jacob Batalon teases what fans can expect from “Reginald the Vampire” Season 2 1:13 Who is Claudia Sheinbaum? 2:13 What you need to know about the Hunter Biden gun case