Gwen Stefani – Hollaback Girl (5HOURS, Michele Romano & Emiliano Chellini Remix) FREE 7GB SAMPLE PACK 💜 Download will be sent to your email... GRAB YOUR PACK Loading... CHECK YOUR EMAIL 📦 Don’t forget to check promotional/spam folders if you can’t see the email 💜 5HOURS · Gwen Stefani – Hollaback Girl (5HOURS, Michele Romano & Emiliano Chellini Remix)