Blake looked amazing in Marchesa as she sits front row with Vogue’s Anna Wintour and Roger Federer at Fashion’s Night Out at New York City’s Lincoln Center. The 23-year-old actress paired her cadmium yellow and sapphire fully beaded tribal strapless mini dress with heels by Christian Louboutin. Blake was spotted having a giggle with Ashley Tisdale. We have also added some adorable pics from the Gossip Girl set taken yesterday…