PLANET OF THE APES star Mark Wahlberg is constantly followed into public toilets by curious men, keen to see the size of his manhood.

Wahlberg sparked rumours he sports a giant manhood following 1997 movie Boogie Nights, because he played a 1970s porn star, but he quickly resigned himself to the inevitable attention.

He says, "There are always a lot of guys who follow me into the bathroom.

"It's the Boogie Nights thing."