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Morgan Freeman
Rocking an all-black suit and shades, the actor posed for pictures before fulfilling his role as host.
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Wiz Khalifa and Izabela Guedes
Before giving a live performance, the rapper posed alongside the model.
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Kerry Washington
The Scandal actress wore a floral dress from Giambattista Valli Fall 2017 Couture.
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Mayim Bialik
Not only does Bialik play a scientist on The Big Bang Theory, but she also received a Ph.D in neuroscience from UCLA.
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Lily Collins
The actress looked pretty in pink as she posed for pictures in a Prada dress.
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Kara McCullough
In addition to being Miss USA 2017, McCullough is a physical scientist.
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Ashton Kutcher and Mila Kunis
While posing for pictures on the red carpet, Kutcher put his hand around his wife and told her something that made her laugh.