You know what's sexy? Being No.1. And you know who knows it? LMFAO. After Rihanna reigned the charts for eight weeks straight, she has been dethroned by the party rocking duo LMFAO and their accompanying Speedos. Mac Miller also had some good news as his debut album, 'Blue Slide Park,' went gold! Jordin Sparks and Jason Derulo were partaking in a bit of Twitter flirting and Kanye West was praising the wonders of special effects in movies. Rebecca Black had a run in with Zooey Deschanel while Game was telling people to get their butts to the gym. New year be damned! Bow Wow was all up in arms about getting older and Weird Al had a very important question. Read what your favorite stars were chirping about!