Eighties pop star Debbie Gibson shines in red-patterned mini dress at the Jojo Rabbit premiere in LA

She became the youngest female artist -- at age 17 -- to write, produce and perform a Billboard Hot 100 number-one single with her hit song Foolish Beat in 1988. On Tuesday, the 49-year-old showed off her fit and youthful figure in a leggy red-patterned mini dress at the Los Angeles premiere of the black comedy film Jojo Rabbit. Electric Youth: Debbie Gibson, 49, commended attention on the red carpet at the premiere of the dark comedy film Jojo Rabbit in Los Angeles on Tuesday The Brooklyn, New York native used the eye-catching number to flaunt her tanned gams. Leggy: The Eighties pop star, 49, showed off her youthful figure in red-patterned mini dress The Only In My Dreams singer wore her blonde tresses long with some added waves and a part on the slight left Showstopper: The piece also showed off her toned upper body with its form-fitting design and plunging neckline Jojo Rabbit follows the plight of a lonely 10-year-old German boy named Jojo 'Rabbit' Betzler during World War II. Pop stardom: Gibson had two hit albums under her belt by the time she was 19-years-old Black comedy film: Jojo Rabbit hits theaters in the US October 18 Gibson knows a thing or two about what it's like under the media spotlight, with two hit albums under her belt by the time she was 19-years-old.