Jennifer Love Hewitt took the little black dress to the red carpet for the "I Know What You Did Last Summer" movie premiere.

It's been nearly 30 years since Jennifer Love Hewitt hit the red carpet for I Know What You Did Last Summer back in 1997. Well, she's back for the latest installment in the franchise, but some people gave her a hard time for not looking like her teenage self during the original premiere.

Jennifer Love Hewitt showed off her fiery red hair while walking the red carpet at the premiere of 'I Know What You Did Last Summer'

Jennifer Love Hewitt looked radiant at the red carpet premiere of the I Know What You Did Last Summer reboot. Hewitt, 46, flaunted her curves in a black, beaded dress on Monday, July 14, accessorizing the look with glittery black heels and a ring on nearly every finger.

The “Scooby Doo” star and Hewitt starred alongside each other in the original 1997 film “I Know What You Did Last Summer.”

Jennifer Love Hewitt unveiled a ginger-toned hair transformation during the Los Angeles premiere of I Know What You Did Last Summer, marking the actress’ first red carpet appearance in over a year.

Jennifer Love Hewitt attends the premiere of the movie 'I Know What You Did Last Summer'. At the event, she debuted a bright orange hair transformation. See pics here.