A little over halfway into Lady Gaga’s joyous, freaky, gothic, glorious, theatrical and even operatic “Mayhem Ball” concert at the Chase Center Tuesday night, she and her dancers broke out into an exuberant reprise of her 2008 debut single, the electro-pop banger, “Just Dance.”

The pop superstar brought an expanded version of her Coachella spectacular to Inglewood on Monday night for the first of four shows.

Lady Gaga’s little monsters, her fanbase’s nickname, just danced their night away on Monday as the singer opened up the first of four shows of her Mayhem Ball at Inglewood’s Kia Forum. “Welcome to the Opera Haus,