Teen star also recently signed on as spokesperson for Proactiv acne treatment. By Jocelyn Vena, with reporting by James ‘FLX’ Smith Usher and Justin Bieber at the World Leadership Awards on Friday Photo: Rick Diamond/ Getty Images Justin Bieber currently has a lot on his plate. He’s on tour. He’s working on a book and a movie . He’s prepping the release of his next single, “U Smile.” And he just wrapped shooting his cameo on “CSI.” But that doesn’t mean he isn’t taking time to give back. MTV News caught up with the teen star on Friday night at Usher’s New Look Foundation’s first World Leadership Awards in Atlanta. He was excited to use his celebrity to bring attention to the charity, as well his voice to bring some tunes to the party. “You know, I’m really excited to be here to support Usher, my mentor, and his New Look Foundation. I’m here [and] I’m performing tonight. I’m also helping out another charity,” he shared on the red carpet. “It’s called Pencils of Promise . It’s all about giving back and helping out kids that need education. It’s really important that I’m able to help out other kids. I’m a kid myself, so it means a lot to me.” While he tweeted his intention to release “U Smile” as a single very soon, at the event, he kept his plans rather vague. “Musically, the next thing you’re gonna hear from me is I might be putting out a single in the next couple months,” he said. “I’m always making hits.” Bieber also recently added a new job to his r
