Mary-Kate and Ashley Olsen [1] have spent almost three decades in the Hollywood spotlight, and in their early years, the twins were known for their cute matching outfits, hilarious facial expressions [2], and many TV and movie roles [3]. Since then, the ladies have evolved from an adorable onscreen duo to popular designers [4]. To celebrate how far they've come, take a trip down memory lane with the ultimate MK-and-A time machine!
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