During the show at the American Airlines Center, Carpenter came out dressed as Olivia Newton-John’s Sandy character from the movie Grease and performed a rendition of that late singer’s hit ...

Grease fans, rejoice ... Newton-John shared a photograph on Instagram, which shows her wearing Sandy’s white and yellow outfit from the Summer Nights scene. Meanwhile, Travolta is wearing ...

Carpenter also rocked a black off-the-shoulder catsuit and curly blonde hair to channel Olivia Newton-John's character Sandy Olsson in the beloved 1978 film, Grease. During the portion of the show ...