Zac Efron & Vanessa Hudgens keep their hands off each other

LOS ANGELES, CA - JULY 20: Actors Vanessa Hudgens (L) and Zac Efron arrive at the premiere of Universal Pictures' 'Charlie St. Cloud' at the Village Theater on July 20, 2010 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Apparently Zac Efron and Vanessa Hudgens were not very touchy-feely while on holiday – well not in public anyway.

The High School Musical sweethearts have recently returned from their holiday in Maui, Hawaii. While they were there they were spotted sun bathing and surfing, and Zac took lots of photos on his camera.

The couple are said to have kept PDAs to a minimum.

“They were so nice and normal and down to earth,” a source told E!

“And they were very very sweet with each other.”