Justin Bieber Wears Only Underwear for an Ocean Dip!

Justin Bieber towels off as he walks up the stairs away from the beach on Thursday (August 13) in Malibu, Calif.

The 21-year-old singer cooled off on the warm day by taking a dip in the ocean while wearing just a pair of his Calvin Klein underwear.

PHOTOS: Check out the latest pics of Justin Bieber

Justin has been teasing his upcoming single “What Do You Mean?” all month long and we’ll finally get to hear it on August 28. Thanks to a lot of social promotion, it has already topped Billboard‘s Trending 140 chart several times, even before its release!