Omarion (born Omari Ishmael Grandberry), American R&B singer, songwriter, & former lead singer of R&B group B2K. His solo hits include O, Touch, Ice Box, Girlfriend, & I Get It In (feat. Gucci Mane). He has also appeared in You Got Served, Fat Albert, Somebody Help Me, and served as a judge on America's Best Dance Crew. He is now a new artist of Rick Ross' Maybach Music Group label and is also a managed artist of Jay-Z's Roc Nation label. Despite rumors, he is not related to Marques Houston.