Eyeliner aficionado and pants adversary, Taylor Momsen gave concert goers more than an eyeful on Wednesday as she invited topless fans on stage to dance with the rebel teen singer. In Barcelona for her latest The Pretty Reckless tour stop, the 17-year-old proved that she's worlds Away from Her fame-making preppy 'Gossip Girl' character, Jenny Humphrey. Forget headbands and high school hierarchy, little J's all grown up. Spotted: Momsen ...