Actor exposes a suspicious blemish on his neck

Zac Efron has been photographed with a nasty bruise on his neck.

The actor, 20, was out taking a stroll when photographers noticed what appears to be a love bite, reports TMZ.

He is has been dating Vanessa Hudgens, 19, for 2 years.

Zac is currently starring in High School Musical 3: Senior Year.

SEE PIC Zac Efron’s love bite>>

SEE PHOTO GALLERY Zac Efron and Vanessa Hudgens: A love story in pictures>>

Alison Adey