National Cleavage Day - perhaps the best day we've ever heard off - exploded on to Twitter today. As thousands of women posted their heaving cleavage to celebrate the day created by Wonderbra.

#NationalCleavageDay understandably rocketed to the top of Twitter's trending list as men waited to see some lady lumps. So to save you time scrolling through thousands of tweets of blokes asking to see some boobs, we pulled together a gallery of the sexiest candid pictures posted to Twitter for National Cleavage Day!

If you want to see more pics like these EVERYDAY then follow @ZOO_UK on Twitter and look out for the #ZOOTwitties hashtag! Enjoy the pics...