Niall Horan and Harry Styles Kissing

Not underwear but still hot lol.

Harry Styles in his Underwear

Niall Horan in Grey Boxer Briefs Underwear

Harry Styles Sagging Showing his White Underwear

Zac Efron in Fruit of the Loom Tighty Whities Underwear

Justin Bieber in Purple Underwear

Justin Bieber in White Polo Ralph Lauren Underwear

Justin Bieber in Boxers

Mario Lopez in Red Briefs Underwear

Emblem3 in Starter and Champion Underwear

Chris Brown in Black Fruit of the Loom Boxer Briefs

Chris Brown in Black Boxer Briefs

Chord Overstreet in Yellow Ellen Boxer Briefs

Mark Salling from "Glee" Showing his Blue Fruit of the Loom Boxer Briefs

Ross Lynch in Blue and White Boxer Briefs

Justin Bieber Stripping on Stage Showing His White Polo Ralph Lauren Boxer Briefs

Justin Bieber in Red Boxer Briefs

Justin Bieber taking his own pic of his abs and dark red undies

One Direction's Louis Tomlinson in Skimpy White Briefs

Louis Tomlinson in small white underwear with Harry Styles signature

Tom Daley in Pink Calvin Klein Boxer Briefs

Harry Styles of One Direction Showing His Ellen Boxer Briefs Waistband

Zac Efron in White Briefs (Tighty Whities) Gif

Charlie McDermott in Boxers from The Middle

Tom Daley in a Small Blue Speedo

Justin Bieber Sagging Showing His White Calvin Klein Boxer Briefs

Liam Payne Sagging Showing his Black Polo Ralph Lauren Boxer Briefs

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