Watch: 'Mamma Mia! Here We Go Again' Trailer Finally Drops

Be still, my gay heart.

The first trailer for the "Mamma Mia! The Movie" sequel, "Mamma Mia! Here We Go Again," finally hit the web and it promises beautiful Grecian vistas, ABBA jams, fabulous dancing - and Cher.

Set 10 years after the first movie, which grossed $610 million worldwide, the crew is back on the island of Kalokairi for an all-new original musical based on the music of ABBA, //deadline.com/2017/12/mamma-mia-here-we-go-again-trailer-meryl-streep-lily-james-abba-video-1202231037/Deadline reports.

The original cast will return for the sequel, directed and written by "The Best Exotic Marigold Hotel" helmer Ol Parker, including Meryl Streep, Christine Baranski, Julie Walters, Amanda Seyfried, Dominic Cooper, Pierce Brosnan, Colin Firth and Stellan Skarsgard. The sequel adds new faces, Lily James, Andy Garcia, Alexa Davies, Jessica Keenan Wynn, Jeremy Irvine, Josh Dylan and Hugh Skinner.

And of course, there's Cher. She plays grandmother Ruby Sheridan.

"Here We Go Again" will hit theaters July 20, 2018.

Watch the trailer below.