Betty White Turns 93, Miley Cyrus Sings Karaoke & More Weekend News

Sandy and Frenchy Hold Mini Grease Reunion at Olivia Newton-John's Las Vegas Show

When they sang “Chang chang changitty chang shoo-bop, we’ll always be together” they meant it.

On Saturday, Grease’s Sandra Dee and Frenchy reunited for one more hand jive. Didi Conn, 63, who played Frenchy in the 1978 movie musical, surprised the audience at Olivia Newton-John’s Las Vegas show “Summer Nights” by joining Grease’s leading gal on stage.

RELATED: See our Picks for a Grease fantasy cast

From Ridgemont to Sunnydale: The Best and Worst Schools in Pop Culture

Put the flip-flops away and start packing up the bookbag; it’s back to school season.

After Labor Day, the annual begrudging march of the students begins. While it’s hard to say so long to that easy, breezy feeling of summertime, school isn’t all bad.

To help kids ease back into the world of lockers and lunch boxes, we rounded up some of the most memorable schools from pop culture. But not every one of these educational institutions gets straight As; check out a mix of the best – and worst – fictional schools from film and TV.

Josh Groban, Boy George and More Crooners Sing Grease Hit 'Summer Nights' Together Onstage

Hand Jive Hopefuls: Bruno Mars and Taylor Swift Lead Our Live-Action Grease Fantasy Cast

Grease must be the way we are feeling, because the musical is making a comeback.

After appearing on Broadway and the silver screen, the T-Birds and Pink Ladies are set to hand-jive onto TV sets. Fox has revealed plans to air a live-action version of Grease next year.

Live Grease Musical Coming to Fox in 2015

Here’s some news to make your approaching summer nights a blast.

Fox is bringing a live-action version of Broadway musical (and film) Grease to the small screen sometime next year.

The move is, in all likelihood, motivated by NBC’s success with their own live musical version of The Sound of Music, which – including DVR playback – tallied almost 22 million viewers last fall.

The Greatest Night of Your Life: 15 Unforgettable Pop Culture Proms

The myth. The legend. The prom.

It’s said to be the best night of a high schooler’s life, so there’s pressure to get the evening just right. Thankfully, movies and TV are here to guide befuddled youngsters through this rite of passage.

Viral Video: 'Greased Lightning,' as Performed by Some Seriously Talented Swedish Marines

Annette Charles, Cha Cha from Grease, Dies at Age 63

Another Grease actor has died.

Annette Charles, who played Cha Cha DiGregorio in the 1978 movie musical, lost her battle with cancer at age 63 on Wednesday, Access Hollywood reports.

As the self-proclaimed “best dancer at St. Bernadette’s,” Charles’s character famously hit the floor with John Travolta during the dance competition scene.