Olivia Newton-John & Didi Conn Have An Epic 'Grease' Reunion

Olivia Newton-John & Didi Conn Have An Epic 'Grease' Reunion, The Pink Ladies foreva. Performing together in Las Vegas on Saturday, Olivia Newton-John (aka Sandy) and Didi Conn (aka Frenchy) had a perfect "Grease" reunion.

The co-stars met up at the Flamingo Hotel & Casino, where Newton-John is holding her Summer Nights residency.

Newton-John, 66, rocked a leather jacket while Conn, 63, slipped into her trademark Pink Ladies jacket for a performance of "Summer Nights."