#9 Margot Robbie and Liv Morgan

Margot Robbie is hailed by fans as one of Tinseltown's greatest performers today--earning critical acclaim for her roles in movies such as The Wolf of Wall Street and Suicide Squad.
Meanwhile, Liv Morgan performs for WWE on the RAW brand as part of The Riott Squad. The 24 year old signed a contract with WWE back in 2014, and has been working with the company ever since.
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Similarities:
Margot Robbie is said to be 5'6" tall, whereas Liv Morgan is billed as 5'4". Robbie is about 4 years older than the WWE RAW Superstar.
Robbie and Morgan are arguably one of the most similar people in this discussion--owing to the huge semblance they possess in their facial structure, eyes, nose, mouth and swagger. Robbie is known to prefer staying lean, while Morgan notably works hard to bulk up for her performances in the WWE.
The only difference between Robbie and Morgan is the considerable amount of highly-developed musculature in the latter's lower body--owing to Morgan's grueling routine of squats and lower body compound lifts in the gym. Moreover, Robbie seems to have a full mouth much like Morgan; with another factor being that the WWE Superstar's lips are a tad bigger than that of Robbie.
Below is Liv Morgan's tweet regarding an instance of her being mistaken for Margot Robbie--