What do they look like?
She has short straight brown hair
What do they look like?
She has long curly red hair
What do they look like?
She's slim / She's thin
What do they look like?
She has long straight black hair.
What do they look like?
He had a beard and a moustache
What do they look like?
He's very tall.
What do they look like?
They are tall and she is short.
What do they look like?
He's overweight / He's fat.
What do they look like?
He's bald