'Good Morning America' goes groovy for a '70s Halloween party

Happy Halloween, America!

The "Good Morning America" anchors and correspondents dressed in their '70s best for a disco Halloween party in Times Square.

Check out all the far out costumes that stepped inside Studio 44, where George Stephanopoulos served as DJ extraordinaire.

Sara Haines and Amy Robach boogied down as Sonny and Cher

Robin Roberts dressed as the "Queen of Disco," Donna Summer

Ginger Zee rolled in as Olivia Newton-John from the set of "Xanadu"

Lara Spencer stepped into the spotlight as Broadway superstar Liza Minelli

Michael Strahan, Gio Benitez and Whit Johnson joined the disco party as The Bee Gees

Talk about dance fever! Happy Halloween!