–Savvy & Mandy and Samantha Droke attended the launch party for the Samsung Behold II at Boulevard 3 in Hollywood on Wednesday evening. Katy Perry hosted the event and also performed. Mandy tweeted: One of the BEST concerts I’ve been to. @KatyPerry was amazing! she looked so gorgeous, we were wearing the same exact shoes! Fun event! Samantha tweeted: Bout to see Katie Perry perform with @shelleybuckner!!! Sooo much fun!