Music·Posted on Oct 31, 2014Here's What Your Favorite Pop Stars Are Wearing This HalloweenPegacorns, Cheetos, and Power Rangers, oh my! Last-minute inspiration from music's biggest stars (and some of their offspring!).by Kelley DunlapBuzzFeed StaffLinkFacebookPinterestTwitterMail Katy Perry as a Cheeto. View this photo on Instagram Taylor Swift as a pegacorn. View this photo on Instagram Beyoncé as Rhythm Nation-era Janet Jackson. View this photo on Instagram Blue Ivy played the Michael to Beyonce's Janet. View this photo on Instagram Beyonce also dressed up as Frida Kahlo. View this photo on Instagram Kanye West may be too cool for Halloween but daughter North looked adorable as Pepe Le Pew. View this photo on Instagram Justin Bieber as a Power Ranger. View this photo on Instagram Lucy Hale as Twitter Dot Com. View this photo on Instagram Nicki Minaj as "the teacher's pet." View this photo on Instagram Fifth Harmony's Normani Hamilton as a mummy. Normani Kordei @NormaniKordei i got it from my mummy 💀 10:44 PM - 31 Oct 2014 Reply Retweet Favorite Fifth Harmony's Dinah Jane Hansen as an FBI agent. ♕DinahJane @dinahjane97 RING THE ALARM 🚨 but I'll be damned if I see another chick on yo arm 10:11 PM - 31 Oct 2014 Reply Retweet Favorite Fifth Harmony's Camila Cabello as princess Jasmine. View this photo on Instagram Fifth Harmony's AllyBrooke Hernandez as an Egyptian princess. View this photo on Instagram Miranda Lambert as Rosie the Riveter. View this photo on Instagram Rita Ora as Barbie. View this photo on Instagram Aly & AJ as Romy and Michele. Aly & AJ Michalka @78Violet Yes this happened last night......#postits #Romy&Michele 07:01 PM - 31 Oct 2014 Reply Retweet Favorite Ed Sheeran as Austin Powers. View this photo on Instagram Britney Spears as a witch. View this photo on Instagram Offstage she dressed up as sexy nerd. View this photo on Instagram Demi Lovato as a sugar skull. View this photo on Instagram Tinashe in a Mars Attacks mask. View this photo on Instagram Miley Cyrus as Dolly Parton. View this photo on Instagram Iggy Azalea as a character from the movie White Chicks. View this photo on Instagram Jennifer Lopez as the devil. View this photo on Instagram Ariana Grande as a vampire. Ariana Grande @ArianaGrande me n suz 08:01 AM - 01 Nov 2014 Reply Retweet Favorite Rihanna as a Teenage Mutant Ninja Turtle. Rihanna @rihanna Teenage. Mutant. Nigga. Turtle$ 06:48 AM - 01 Nov 2014 Reply Retweet Favorite