Lady Gaga is so back. The American star, 39 – real name Stefani Joanne Angelina Germanotta – dominated music in the 00s, and while she dabbled in acting for a few years, she has now returned to her musical roots.

American singer Lady Gaga returned to a massive audience for the first time in eight years to headline the Coachella Valley Music and Arts Festival on Friday night, dancing with model skeletons, fighting a dancer dressed as a monster and serving up a surprise encore.