This Weekend's Concerts, From Travie McCoy to Britney Spears


You already know what Rick Ross was up to Friday night, but you can check out what other performers got up to in this week's concert roundup. On the docket today: Travie McCoy, Lady Gaga, Scissor Sisters, Elton John, Ricky Martin, Rod Stewart, Stevie Nicks, Britney Spears, Janet Jackson, Lil Wayne, Nicki Minaj, and Naughty by Nature.