Zayn Malik and Niall Horan of One Direction in Black Boxer Briefs in Bed

One Direction's Liam Payne Sagging White Boxer Briefs

Harry Styles Showing Green Boxer Briefs

David Beckham In Boxer Briefs in Public

Carlos of Big Time Rush In a Speedo

Big Time Rush In Boxers

Zayn Malik Sagging with White Boxer Briefs Showing

Daren Kagasoff in Tighty Whities

Pauly D in Exotic Underwear

Mike "The Situation" Sorrentino in Flashy Boxer Briefs

Josh Duhamel in White Boxer Briefs

Josh Duhamel in Skimpy Trunks

Kellan Lutz Showing Calvin Klein Trunks

Matt Lanter in Black Boxer Briefs

Ashton Kutcher in Tighty Whities and Seann William Scott in Boxers

Ashton Kutcher in Tighty Whities

Ryan Reynolds in Tighty Whities

Joe Jonas in White Briefs

Joe Jonas Sagging Calvin Klein Boxer Briefs

Jake Gyllenhall in Grey Briefs

Adam Levine in Black Calvin Klein Boxer Briefs

Max Thieriot from House At The End of the Street in Baby Blue American Apparel Boxer Briefs

Robert Pattinson in Black Hanes Boxer Briefs

One Direction All Sagging

Zac Efron Sagging With Grey Calvin Klein Briefs

Alex Pettyfer in tighty whities

Alex Pettyfer in black boxer briefs

The Wanted in their underwear

Harry Styles sagging CK boxer briefs

Niall Horan with white Calvin Klein briefs line

Harry Styles in striped boxer briefs