A collection of pop radio’s favorite hits, Now 31 continues its tradition of featuring the stars who frequent TMZ (Britney Spears “If U See Amy”), VH1 (Lady Gaga “Poker Face”), urban radio (Jaime Foxx featuring T-Pain “Blame It”) and blogs (Soulja Boy Tell ‘Em featuring Sammie “Kiss Me Through the Phone”). Pink, Beyonce and Ne-Yo also show up with “Please Don’t Leave Me,” “Halo” and “Mad” respectively, as do the Fray (“You Found Me”) and Flo Rida “Right Round.” –jh