Last night on Chelsea Lately, Amy Heidemann, the white Christian Nebraskan female-half of the viral group Karmin, rapped Busta Rhymes’ and Chris Brown’s “Look at Me Now,†with the warp speed honed from her first-ever (and prohibited) rap album, Dr. Dre’s Chronic 2001. Plus: Alan Alda prefers the moniker “Your Highness†but is still polite enough never to interrupt Stephen Colbert; and Howie Mandel refused to sit. Watch our compilation to see what you missed.