We tested out four of Hollywood's most popular hair extension brands Emily Strohm is a Senior Editor at PEOPLE. She has been at PEOPLE for 11 years and has written nearly 40 cover stories for the ...

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The red carpet has a secret: Hair extensions. How do you think celebs go from a lob to mermaid hair overnight? And stars like Chrissy Teigen, Kim Kardashian and Mindy Kaling are all about full ...