Sunday is a big night for these first-time nominees and performers. By Kelley L. Carter Justin Bieber Photo: Robyn Beck/ Getty Images Be gentle with these guys — it’s their first time as nominees or performers at the MTV Video Music Awards . Here’s a look at this year’s VMA virgins and where you’ll see them come Sunday at 9 p.m. ET/PT. Ke$ha It was almost impossible to turn the radio on and not hear Kesha’s party-happy pop track “Tik Tok” over the past year. (She also did the background vocals on Flo Rida’s ubiquitous “Right Round.”) The singer is up for Best New Artist, and she’ll present an award Sunday. “This is such a monumental thing for me to be nominated, because it really means people do really like what I’m doing,” she said. Nicki Minaj Lil Wayne’s wig-loving prot
