Tom Daley reveals why his speedos are so small and it'll surprise you...

Tom Daley has answered THAT very important question: why are his speeds so small? Well, the Olympic diver made an appearance on The Graham Norton Show and revealed all... "They have to be small because everything has to stay in place," he said.

So much fun on @thegrahamnortonshow with @eltonjohn @brightlightx2 #JodieFoster #RussellCrowe and #RyanGosling :) make sure to tune in at 10.35 tonight on #BBC1 @burberry

A photo posted by Tom Daley (@tomdaley1994) on

"If you're spinning around the last thing you want to do is have something come out of place! And when you hit the water you don't want things flapping about because it would hurt." Well we wouldn't mind if something came out of place, just saying! The Olympic diver celebrated his 22nd birthday yesterday and to celebrate, we took a look at his hottest moments.  You can watch a video of Daley answering the question below: More stories: Is this Charlie by Matthew Zink’s hottest photoshoot yet? Calling all slut-shamers: ‘There’s no such thing as too much sex’