Lindsay Lohan is not a lesbian, according to her mother Dina and sister Ali.

The freckled one has been on the receiving end of gay rumours, constantly being linked to DJ pal Samantha Ronson, but Mama Lohan and wannabe actress Ali have been quick to defend Lindsay.

Dina tells Extra: "Samantha's an amazing girl."

Ali adds: "They're best friends. They're just friends. It's pathetic what people say."

Dina goes on to explains: "It's so silly. We actually laugh about it now. It really does hurt... but you develop a thick skin. You have to ignore it."