Remember the quantifier ALL means the words that follow it are inside a bigger qualifying circle. If we like to use the Euler circles to understand the syllogism.
So, All movie stars is inside hardworking.
All hardworking is inside well-liked.
(no) well-liked people are (without) friends. So, there are no well-liked people who don't have friends. So all well-liked people have friends.
Therefore, no movie stars are without friends also, no hardworking people who are without friends