But when she reached the song’s bridge, Lovato tactfully switched songs, transitioning into Mayhem ‘s electro-grunge ode to infamy, “Perfect Celebrity,” before blending the two tracks together for the final chorus of her performance.

Alix Earle debuted this year's Halloween costume, which is a spot-on recreation of Lady Gaga's 'Paparazzi' music video. Last year, the influencer went all out for the holiday, painting herself in purple stripes and going as the the Cheshire Cat from 'Alice in Wonderland.