Was Twitter invented just so that a host of gorgeous glamazons could make us mere mortals feel permanently inferior by constantly posting a slew of holiday/bikini/beach pics?
We think so.
The latest star guilty of Posting Envy-Inducing Pictures? Bar Refaeli, who was looking rather fabulous in an LBB (Little Black Bikini) during a photoshoot on the Greek island of Mykonos.
More stars in bikini pics below (watch them and weep):