Insider Spills On Justin Bieber's Solo Halloween Outing & Why Hailey Bieber Wasn't With Him

Why Justin Bieber Attended A-List Halloween Party Without Wife Hailey Bieber

Justin Bieber's Casamigos Halloween Party Costume Has To Be Seen To Be Believed

Justin Bieber opts for a bizarre look by donning a snorkel and flippers for Casamigos Halloween bash - after wife Hailey revealed why their dress sense is 'on different planets'