Oops! Vanessa Hudgens bikini top falls off

Poor Vanessa Hudgens has suffered one of the worst wardrobe malfunctions – her bikini top came off at the beach.

The actress, who was on vacation with her boyfriend Austin Butler, was on the beach in Hawaii when her bikini top came undone, exposing the poor girl.

Luckily for Vanessa, she was able to cover herself up quickly and the paparazzi just missed it.

For photos, click here.